diff --git a/app/views/layouts/_head.html.erb b/app/views/layouts/_head.html.erb
index 5a8d2b5a2a9..c5f6677f22a 100644
--- a/app/views/layouts/_head.html.erb
+++ b/app/views/layouts/_head.html.erb
@@ -4,6 +4,6 @@
 <link rel="icon" type="image/png" href="<%=SiteSetting.favicon_url%>">
 <link rel="apple-touch-icon" type="image/png" href="<%=SiteSetting.apple_touch_icon_url%>">
 
-<meta name="viewport" content="width=720, minimum-scale=1.0, maximum-scale=1.0, user-scalable=yes">
+<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0, user-scalable=yes">
 
 <%= canonical_link_tag %>