diff --git a/src/mibew/styles/chats/dark/templates_src/server_side/_layout.handlebars b/src/mibew/styles/chats/dark/templates_src/server_side/_layout.handlebars
index e1a6293f..af6e7409 100644
--- a/src/mibew/styles/chats/dark/templates_src/server_side/_layout.handlebars
+++ b/src/mibew/styles/chats/dark/templates_src/server_side/_layout.handlebars
@@ -2,6 +2,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"{{#if rtl}} dir="rtl"{{/if}}>
     <head>
         <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0" />
         <title>{{#block "windowTitle"}}{{l10n "Mibew Messenger"}}{{/block}}</title>
         <link rel="shortcut icon" href="{{asset "@CurrentStyle/images/favicon.ico"}}" type="image/x-icon" />
         <link rel="stylesheet" type="text/css" href="{{asset "@CurrentStyle/chat.css"}}" media="all" />
diff --git a/src/mibew/styles/chats/default/templates_src/server_side/_layout.handlebars b/src/mibew/styles/chats/default/templates_src/server_side/_layout.handlebars
index 8fa47508..0befa5b3 100644
--- a/src/mibew/styles/chats/default/templates_src/server_side/_layout.handlebars
+++ b/src/mibew/styles/chats/default/templates_src/server_side/_layout.handlebars
@@ -2,6 +2,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"{{#if rtl}} dir="rtl"{{/if}}>
     <head>
         <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
+        <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0" />
         <title>{{#block "windowTitle"}}{{l10n "Mibew Messenger"}}{{/block}}</title>
         <link rel="shortcut icon" href="{{asset "@CurrentStyle/images/favicon.ico"}}" type="image/x-icon" />
         <link rel="stylesheet" type="text/css" href="{{asset "@CurrentStyle/chat.css"}}" media="all" />
