diff --git a/src/mibew/libs/classes/Mibew/Controller/Settings/CommonController.php b/src/mibew/libs/classes/Mibew/Controller/Settings/CommonController.php
index e891d37b..dfbfb747 100644
--- a/src/mibew/libs/classes/Mibew/Controller/Settings/CommonController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/Settings/CommonController.php
@@ -94,6 +94,9 @@ class CommonController extends AbstractController
         $page['availableLocales'] = get_available_locales();
         $page['availableChatStyles'] = ChatStyle::getAvailableStyles();
         $page['availablePageStyles'] = PageStyle::getAvailableStyles();
+        $page['chatStylePreviewPath'] = $this->generateUrl('style_preview', array('type' => 'chat'));
+        $page['pageStylePreviewPath'] = $this->generateUrl('style_preview', array('type' => 'page'));
+        $page['invitationStylePreviewPath'] = $this->generateUrl('style_preview', array('type' => 'invitation'));
         $page['stored'] = $request->query->has('stored');
         $page['enabletracking'] = Settings::get('enabletracking');
         $page['cron_path'] = cron_get_uri($params['cron_key']);
diff --git a/src/mibew/libs/classes/Mibew/Controller/StyleController.php b/src/mibew/libs/classes/Mibew/Controller/StyleController.php
new file mode 100644
index 00000000..1dd7b7c3
--- /dev/null
+++ b/src/mibew/libs/classes/Mibew/Controller/StyleController.php
@@ -0,0 +1,154 @@
+<?php
+/*
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Mibew\Controller;
+
+use Mibew\Settings;
+use Mibew\Style\StyleInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Contains all actions which are related with styles.
+ */
+class StyleController extends AbstractController
+{
+    const TYPE_CHAT = 'chat';
+    const TYPE_INVITATION = 'invitation';
+    const TYPE_PAGE = 'page';
+
+    /**
+     * Generates a page with style preview.
+     *
+     * @param Request $request Incoming request.
+     * @return string Rendered page content.
+     */
+    public function previewAction(Request $request)
+    {
+        $operator = $this->getOperator();
+        $class_name = $this->resolveClassName($request->attributes->get('type'));
+
+        $style_list = call_user_func($class_name . '::getAvailableStyles');
+
+        $preview = $request->query->get('preview');
+        if (!in_array($preview, $style_list)) {
+            $style_names = array_keys($style_list);
+            $preview = $style_list[$style_names[0]];
+        }
+
+        $style = new $class_name($preview);
+        $screenshots = $this->buildScreenshotList($style);
+
+        $page['formpreview'] = $preview;
+        $page['formaction'] = $request->getBaseUrl() . $request->getPathInfo();
+        $page['availablePreviews'] = $style_list;
+        $page['screenshotsList'] = $screenshots;
+        $page['title'] = getlocal('page.preview.title');
+        $page['menuid'] = 'styles';
+
+        $page = array_merge($page, prepare_menu($operator));
+
+        $page['tabs'] = $this->buildTabs($request);
+
+        return $this->render('style_preview', $page);
+    }
+
+    /**
+     * Builds list of the styles tabs.
+     *
+     * @param Request $request Current request.
+     * @return array Tabs list. The keys of the array are tabs titles and the
+     *   values are tabs URLs.
+     */
+    protected function buildTabs(Request $request)
+    {
+        $tabs = array();
+        $type = $request->attributes->get('type');
+
+        $tabs[getlocal("page_settings.tab.page_themes")] = ($type != self::TYPE_PAGE)
+            ? $this->generateUrl('style_preview', array('type' => self::TYPE_PAGE))
+            : '';
+
+        $tabs[getlocal("page_settings.tab.themes")] = ($type != self::TYPE_CHAT)
+            ? $this->generateUrl('style_preview', array('type' => self::TYPE_CHAT))
+            : '';
+
+        if (Settings::get('enabletracking')) {
+            $tabs[getlocal("page_settings.tab.invitationthemes")] = ($type != self::TYPE_INVITATION)
+                ? $this->generateUrl('style_preview', array('type' => self::TYPE_INVITATION))
+                : '';
+        }
+
+        return $tabs;
+    }
+
+    /**
+     * Builds a list of screenshots.
+     *
+     * @param StyleInterface $style A style for which screenshots list should be
+     *   built.
+     * @return array List of available screenshots. Each element is an
+     *   associative array with the following keys:
+     *     - "name": string, name of the screenshot.
+     *     - "file": string, URL of the screenshot.
+     *     - "description" string, screenshots description.
+     */
+    protected function buildScreenshotList(StyleInterface $style)
+    {
+        $base_url = $this->getRouter()->getContext()->getBaseUrl();
+        $style_config = $style->getConfigurations();
+
+        $screenshots = array();
+        foreach ($style_config['screenshots'] as $name => $desc) {
+            $screenshots[] = array(
+                'name' => $name,
+                'file' => ($base_url . '/'
+                    . $style->getFilesPath() . '/screenshots/'
+                    . $name . '.png'),
+                'description' => $desc,
+            );
+        }
+
+        return $screenshots;
+    }
+
+    /**
+     * Resolves style class name by style type.
+     *
+     * @param string $style_type Type of the style. Can be one of
+     *   StyleController::TYPE_* constants.
+     * @return string Name of the style class
+     */
+    protected function resolveClassName($style_type)
+    {
+        switch ($style_type) {
+            case self::TYPE_CHAT:
+                $class_name = '\\Mibew\\Style\\ChatStyle';
+                break;
+            case self::TYPE_INVITATION:
+                $class_name = '\\Mibew\\Style\\InvitationStyle';
+                break;
+            case self::TYPE_PAGE:
+                $class_name = '\\Mibew\\Style\\PageStyle';
+                break;
+            default:
+                throw new \RuntimeException('Style type cannot be resolved.');
+                break;
+        }
+
+        return $class_name;
+    }
+}
diff --git a/src/mibew/libs/routing.yml b/src/mibew/libs/routing.yml
index 3a4bf767..665c19c8 100644
--- a/src/mibew/libs/routing.yml
+++ b/src/mibew/libs/routing.yml
@@ -530,6 +530,16 @@ statistics:
     requirements:
         type: by-date|by-operator|by-page
 
+## Styles
+style_preview:
+    path: /operator/style/{type}/preview
+    defaults:
+        _controller: Mibew\Controller\StyleController::previewAction
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
+    requirements:
+        type: chat|invitation|page
+
 ## Translation
 translation_edit:
     path: /operator/translation/{string_id}/edit
diff --git a/src/mibew/libs/settings.php b/src/mibew/libs/settings.php
index 59caabe7..d927d2bc 100644
--- a/src/mibew/libs/settings.php
+++ b/src/mibew/libs/settings.php
@@ -39,19 +39,7 @@ function setup_settings_tabs($active)
         getlocal("page_settings.tab.performance") => ($active != 2
             ? (MIBEW_WEB_ROOT . "/operator/settings/performance")
             : ""),
-        getlocal("page_settings.tab.page_themes") => ($active != 3
-            ? (MIBEW_WEB_ROOT . "/operator/page_themes.php")
-            : ""),
-        getlocal("page_settings.tab.themes") => ($active != 4
-            ? (MIBEW_WEB_ROOT . "/operator/themes.php")
-            : ""),
     );
 
-    if (Settings::get('enabletracking')) {
-        $tabs[getlocal("page_settings.tab.invitationthemes")] = ($active != 5
-            ? (MIBEW_WEB_ROOT . "/operator/invitationthemes.php")
-            : "");
-    }
-
     return $tabs;
 }
diff --git a/src/mibew/locales/en/properties b/src/mibew/locales/en/properties
index f7394012..58245d3d 100644
--- a/src/mibew/locales/en/properties
+++ b/src/mibew/locales/en/properties
@@ -256,6 +256,7 @@ menu.main=Main
 menu.operator=You are {0}
 menu.profile.content=You can change your personal information on this page.
 menu.profile=Profile
+menu.styles=Styles
 menu.translate=Localize
 menu.updates.content=Check for news and updates.
 menu.updates=Updates
@@ -508,7 +509,7 @@ right.main=Main
 right.other=Other
 settings.chat.title.description=Name of your company for example.
 settings.chat.title=Title in the chat window
-settings.chatstyle.description=A preview all pages for each style is available <a href="themes.php">here</a>
+settings.chatstyle.description=A preview all pages for each style is available <a href="{0}">here</a>
 settings.chatstyle=Select a style for your chat windows
 settings.company.title.description=Enter your company title
 settings.company.title=Company title
@@ -548,7 +549,7 @@ settings.host.description=Destination for your company name or logo link
 settings.host=URL of your website
 settings.invitationlifetime.description=Specify the lifetime of invitation in seconds. Default is 60 seconds.
 settings.invitationlifetime=Invitation lifetime
-settings.invitationstyle.description=A preview for invitation style is available <a href="invitationthemes.php">here</a>
+settings.invitationstyle.description=A preview for invitation style is available <a href="{0}">here</a>
 settings.invitationstyle=Select a style for your invitation
 settings.leavemessage_captcha.description=Protection against automated spam (captcha)
 settings.leavemessage_captcha=Force visitor to enter a verification code when leaving message
@@ -563,7 +564,7 @@ settings.onehostconnections.description=0 allows any number of connections
 settings.onehostconnections=Max number of threads from one address
 settings.onlinetimeout.description=Set the number of seconds to show an operator as online. Default is 30 seconds.
 settings.onlinetimeout=Operator online time threshold
-settings.page_style.description=A preview for each style is available <a href="page_themes.php">here</a>
+settings.page_style.description=A preview for each style is available <a href="{0}">here</a>
 settings.page_style=Select a style for your operator pages
 settings.popup_notification.description=Small dialog appears to attract your attention.  
 settings.popup_notification=Enable "Popup dialog notification of the new visitor".
diff --git a/src/mibew/operator/invitationthemes.php b/src/mibew/operator/invitationthemes.php
deleted file mode 100644
index ca6e4983..00000000
--- a/src/mibew/operator/invitationthemes.php
+++ /dev/null
@@ -1,59 +0,0 @@
-<?php
-/*
- * Copyright 2005-2014 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Import namespaces and classes of the core
-use Mibew\Style\InvitationStyle;
-use Mibew\Style\PageStyle;
-
-// Initialize libraries
-require_once(dirname(dirname(__FILE__)) . '/libs/init.php');
-
-$operator = check_login();
-
-$style_list = InvitationStyle::getAvailableStyles();
-
-$preview = verify_param("preview", "/^\w+$/", "default");
-if (!in_array($preview, $style_list)) {
-    $style_names = array_keys($style_list);
-    $preview = $style_list[0];
-}
-
-$invitation_style = new InvitationStyle($preview);
-$style_config = $invitation_style->getConfigurations();
-
-$screenshots = array();
-foreach ($style_config['screenshots'] as $name => $desc) {
-    $screenshots[] = array(
-        'name' => $name,
-        'file' => (MIBEW_WEB_ROOT . '/' . $invitation_style->getFilesPath()
-            . '/screenshots/' . $name . '.png'),
-        'description' => $desc
-    );
-}
-
-$page['formpreview'] = $preview;
-$page['availablePreviews'] = $style_list;
-$page['screenshotsList'] = $screenshots;
-$page['title'] = getlocal("page.preview.title");
-$page['menuid'] = "settings";
-
-$page = array_merge($page, prepare_menu($operator));
-
-$page['tabs'] = setup_settings_tabs(5);
-
-$page_style = new PageStyle(PageStyle::getCurrentStyle());
-$page_style->render('invitation_themes', $page);
diff --git a/src/mibew/operator/page_themes.php b/src/mibew/operator/page_themes.php
deleted file mode 100644
index 03722307..00000000
--- a/src/mibew/operator/page_themes.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-/*
- * Copyright 2005-2014 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Import namespaces and classes of the core
-use Mibew\Style\PageStyle;
-
-// Initialize libraries
-require_once(dirname(dirname(__FILE__)) . '/libs/init.php');
-
-$operator = check_login();
-
-$style_list = PageStyle::getAvailableStyles();
-
-$preview = verify_param("preview", "/^\w+$/", "default");
-if (!in_array($preview, $style_list)) {
-    $style_names = array_keys($style_list);
-    $preview = $style_list[$style_names[0]];
-}
-
-$preview_style = new PageStyle($preview);
-$style_config = $preview_style->getConfigurations();
-
-$screenshots = array();
-foreach ($style_config['screenshots'] as $name => $desc) {
-    $screenshots[] = array(
-        'name' => $name,
-        'file' => (MIBEW_WEB_ROOT . '/' . $preview_style->getFilesPath()
-            . '/screenshots/' . $name . '.png'),
-        'description' => $desc,
-    );
-}
-
-$page['formpreview'] = $preview;
-$page['availablePreviews'] = $style_list;
-$page['screenshotsList'] = $screenshots;
-$page['title'] = getlocal("page.preview.title");
-$page['menuid'] = "settings";
-
-$page = array_merge($page, prepare_menu($operator));
-
-$page['tabs'] = setup_settings_tabs(3);
-
-$page_style = new PageStyle(PageStyle::getCurrentStyle());
-$page_style->render('page_themes', $page);
diff --git a/src/mibew/operator/themes.php b/src/mibew/operator/themes.php
deleted file mode 100644
index fc080a21..00000000
--- a/src/mibew/operator/themes.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-/*
- * Copyright 2005-2014 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Import namespaces and classes of the core
-use Mibew\Style\ChatStyle;
-use Mibew\Style\PageStyle;
-
-// Initialize libraries
-require_once(dirname(dirname(__FILE__)) . '/libs/init.php');
-
-$operator = check_login();
-
-$style_list = ChatStyle::getAvailableStyles();
-
-$preview = verify_param("preview", "/^\w+$/", "default");
-if (!in_array($preview, $style_list)) {
-    $style_names = array_keys($style_list);
-    $preview = $style_list[$style_names[0]];
-}
-
-$chat_style = new ChatStyle($preview);
-
-$style_config = $chat_style->getConfigurations();
-
-$screenshots = array();
-foreach ($style_config['screenshots'] as $name => $desc) {
-    $screenshots[] = array(
-        'name' => $name,
-        'file' => (MIBEW_WEB_ROOT . '/' . $chat_style->getFilesPath()
-            . '/screenshots/' . $name . '.png'),
-        'description' => $desc
-    );
-}
-
-$page['formpreview'] = $preview;
-$page['availablePreviews'] = $style_list;
-$page['screenshotsList'] = $screenshots;
-$page['title'] = getlocal("page.preview.title");
-$page['menuid'] = "settings";
-
-$page = array_merge($page, prepare_menu($operator));
-
-$page['tabs'] = setup_settings_tabs(4);
-
-$page_style = new PageStyle(PageStyle::getCurrentStyle());
-$page_style->render('themes', $page);
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/_menu.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/_menu.handlebars
index f0720b05..1d7a397d 100644
--- a/src/mibew/styles/pages/default/templates_src/server_side/_menu.handlebars
+++ b/src/mibew/styles/pages/default/templates_src/server_side/_menu.handlebars
@@ -32,6 +32,7 @@
                     <li{{#ifEqual menuid "operators"}} class="active"{{/ifEqual}}><a href="{{mibewRoot}}/operator/operator">{{l10n "leftMenu.client_agents"}}</a></li>
                     <li{{#ifEqual menuid "groups"}} class="active"{{/ifEqual}}><a href="{{mibewRoot}}/operator/group">{{l10n "menu.groups"}}</a></li>
                     <li{{#ifEqual menuid "settings"}} class="active"{{/ifEqual}}><a href="{{mibewRoot}}/operator/settings">{{l10n "leftMenu.client_settings"}}</a></li>
+                    <li{{#ifEqual menuid "styles"}} class="active"{{/ifEqual}}><a href="{{mibewRoot}}/operator/style/page/preview">{{l10n "menu.styles"}}</a></li>
                     <li{{#ifEqual menuid "translation"}} class="active"{{/ifEqual}}><a href="{{mibewRoot}}/operator/translation">{{l10n "menu.translate"}}</a></li>
                     <li{{#ifEqual menuid "updates"}} class="active"{{/ifEqual}}><a href="{{mibewRoot}}/operator/updates">{{l10n "menu.updates"}}</a></li>
                 {{/if}}
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/invitation_themes.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/invitation_themes.handlebars
deleted file mode 100644
index cdfa4245..00000000
--- a/src/mibew/styles/pages/default/templates_src/server_side/invitation_themes.handlebars
+++ /dev/null
@@ -1,48 +0,0 @@
-{{#extends "_layout"}}
-    {{#override "menu"}}{{> _menu}}{{/override}}
-
-    {{#override "content"}}
-        {{l10n "page.preview.intro"}}
-        <br />
-        <br />
-
-        <form name="preview" method="get" action="{{mibewRoot}}/operator/invitationthemes.php">
-            <div>
-                {{> _tabs}}
-
-                <div class="mform">
-                    <div class="formtop">
-                        <div class="formtopi"></div>
-                    </div>
-
-                    <div class="forminner">
-                        <div class="fieldForm">
-                            <div class="field">
-                                <label for="preview" class="flabel">{{l10n "page.preview.choose"}}</label>
-                                <div class="fvaluenodesc">
-                                    <select id="preview" name="preview" onchange="this.form.submit();">
-                                        {{#each availablePreviews}}
-                                            <option value="{{this}}"{{#ifEqual this ../formpreview}} selected="selected"{{/ifEqual}}>{{this}}</option>
-                                        {{/each}}
-                                    </select>
-                                </div>
-                            </div>
-                            {{#each screenshotsList}}
-                                <div class="field">
-                                    <div class="flabel">{{description}}</div>
-                                    <div class="fvalueframe">
-                                        <img class="screenshot" alt="{{name}}" src="{{file}}" />
-                                    </div>
-                                </div>
-                            {{/each}}
-                        </div>
-                    </div>
-
-                    <div class="formbottom">
-                        <div class="formbottomi"></div>
-                    </div>
-                </div>
-            </div>
-        </form>
-    {{/override}}
-{{/extends}}
\ No newline at end of file
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/page_themes.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/page_themes.handlebars
deleted file mode 100644
index 1f1e0db6..00000000
--- a/src/mibew/styles/pages/default/templates_src/server_side/page_themes.handlebars
+++ /dev/null
@@ -1,48 +0,0 @@
-{{#extends "_layout"}}
-    {{#override "menu"}}{{> _menu}}{{/override}}
-
-    {{#override "content"}}
-        {{l10n "page.preview.intro"}}
-        <br />
-        <br />
-
-        <form name="preview" method="get" action="{{mibewRoot}}/operator/page_themes.php">
-            <div>
-                {{> _tabs}}
-
-                <div class="mform">
-                    <div class="formtop">
-                        <div class="formtopi"></div>
-                    </div>
-
-                    <div class="forminner">
-                        <div class="fieldForm">
-                            <div class="field">
-                                <label for="preview" class="flabel">{{l10n "page.preview.choose"}}</label>
-                                <div class="fvaluenodesc">
-                                    <select id="preview" name="preview" onchange="this.form.submit();">
-                                        {{#each availablePreviews}}
-                                            <option value="{{this}}"{{#ifEqual this ../formpreview}} selected="selected"{{/ifEqual}}>{{this}}</option>
-                                        {{/each}}
-                                    </select>
-                                </div>
-                            </div>
-                            {{#each screenshotsList}}
-                                <div class="field">
-                                    <div class="flabel">{{description}}</div>
-                                    <div class="fvalueframe">
-                                        <img class="screenshot" alt="{{name}}" src="{{file}}" />
-                                    </div>
-                                </div>
-                            {{/each}}
-                        </div>
-                    </div>
-
-                    <div class="formbottom">
-                        <div class="formbottomi"></div>
-                    </div>
-                </div>
-            </div>
-        </form>
-    {{/override}}
-{{/extends}}
\ No newline at end of file
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/settings_common.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/settings_common.handlebars
index be2742dd..cae04e01 100644
--- a/src/mibew/styles/pages/default/templates_src/server_side/settings_common.handlebars
+++ b/src/mibew/styles/pages/default/templates_src/server_side/settings_common.handlebars
@@ -130,7 +130,7 @@
                                         {{/each}}
                                     </select>
                                 </div>
-                                <label for="page_style" class="fdescr"> &mdash; {{l10n "settings.page_style.description"}}</label>
+                                <label for="page_style" class="fdescr"> &mdash; {{l10n "settings.page_style.description" pageStylePreviewPath}}</label>
                                 <br clear="all"/>
                             </div>
 
@@ -143,7 +143,7 @@
                                         {{/each}}
                                     </select>
                                 </div>
-                                <label for="chat_style" class="fdescr"> &mdash; {{l10n "settings.chatstyle.description"}}</label>
+                                <label for="chat_style" class="fdescr"> &mdash; {{l10n "settings.chatstyle.description" chatStylePreviewPath}}</label>
                                 <br clear="all"/>
                             </div>
 
@@ -157,7 +157,7 @@
                                             {{/each}}
                                         </select>
                                     </div>
-                                    <label for="invitation_style" class="fdescr"> &mdash; {{l10n "settings.invitationstyle.description"}}</label>
+                                    <label for="invitation_style" class="fdescr"> &mdash; {{l10n "settings.invitationstyle.description" invitationStylePreviewPath}}</label>
                                     <br clear="all"/>
                                 </div>
                             {{/if}}
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/themes.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/style_preview.handlebars
similarity index 95%
rename from src/mibew/styles/pages/default/templates_src/server_side/themes.handlebars
rename to src/mibew/styles/pages/default/templates_src/server_side/style_preview.handlebars
index ae930a39..04958531 100644
--- a/src/mibew/styles/pages/default/templates_src/server_side/themes.handlebars
+++ b/src/mibew/styles/pages/default/templates_src/server_side/style_preview.handlebars
@@ -7,7 +7,7 @@
         <br />
         <br />
 
-        <form name="preview" method="get" action="{{mibewRoot}}/operator/themes.php">
+        <form name="preview" method="get" action="{{formaction}}">
             <div>
                 {{> _tabs}}