diff --git a/src/mibew/libs/classes/Mibew/Style/ChatStyle.php b/src/mibew/libs/classes/Mibew/Style/ChatStyle.php
index 4bf4f283..7f829e9c 100644
--- a/src/mibew/libs/classes/Mibew/Style/ChatStyle.php
+++ b/src/mibew/libs/classes/Mibew/Style/ChatStyle.php
@@ -84,9 +84,8 @@ class ChatStyle extends AbstractStyle implements StyleInterface
         $data['mibewVersion'] = MIBEW_VERSION;
         $data['currentLocale'] = CURRENT_LOCALE;
 
-        $locales = get_locales();
-        $data['rtl'] = isset($locales[CURRENT_LOCALE])
-            && $locales[CURRENT_LOCALE]['rtl'];
+        $locale_info = get_locale_info(CURRENT_LOCALE);
+        $data['rtl'] = $locale_info && $locale_info['rtl'];
 
         $data['stylePath'] = MIBEW_WEB_ROOT . '/' . $this->getFilesPath();
         $data['styleName'] = $this->getName();
diff --git a/src/mibew/libs/classes/Mibew/Style/PageStyle.php b/src/mibew/libs/classes/Mibew/Style/PageStyle.php
index e7c471c2..e680a294 100644
--- a/src/mibew/libs/classes/Mibew/Style/PageStyle.php
+++ b/src/mibew/libs/classes/Mibew/Style/PageStyle.php
@@ -84,9 +84,8 @@ class PageStyle extends AbstractStyle implements StyleInterface
         $data['mibewVersion'] = MIBEW_VERSION;
         $data['currentLocale'] = CURRENT_LOCALE;
 
-        $locales = get_locales();
-        $data['rtl'] = isset($locales[CURRENT_LOCALE])
-            && $locales[CURRENT_LOCALE]['rtl'];
+        $locale_info = get_locale_info(CURRENT_LOCALE);
+        $data['rtl'] = $locale_info && $locale_info['rtl'];
 
         $data['stylePath'] = MIBEW_WEB_ROOT . '/' . $this->getFilesPath();
         $data['styleName'] = $this->getName();
diff --git a/src/mibew/libs/common/locale.php b/src/mibew/libs/common/locale.php
index d34286b8..2eaa0839 100644
--- a/src/mibew/libs/common/locale.php
+++ b/src/mibew/libs/common/locale.php
@@ -360,6 +360,24 @@ function get_locales()
     );
 }
 
+/**
+ * Returns locale info by its code.
+ *
+ * It is a wrapper for {@link get_locales()} function and can be used to improve
+ * readability of the code.
+ *
+ * @param string $locale
+ * @return array|false Associative array of locale info or boolean false if the
+ *   locale is unknown. See {@link get_locales()} description for details of the
+ *   info array keys.
+ */
+function get_locale_info($locale)
+{
+    $locales = get_locales();
+
+    return isset($locales[$locale]) ? $locales[$locale] : false;
+}
+
 /**
  * Load localized messages id some service locale info.
  *