diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 5fc7deebbb8..753f3420f6e 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="<%= SiteSetting.default_locale %>">
   <head>
     <meta charset="utf-8">
     <title><%= content_for?(:title) ? yield(:title) + ' - ' + SiteSetting.title : SiteSetting.title %></title>
diff --git a/app/views/layouts/no_js.html.erb b/app/views/layouts/no_js.html.erb
index 91060ccb0b2..5637dca44f3 100644
--- a/app/views/layouts/no_js.html.erb
+++ b/app/views/layouts/no_js.html.erb
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang="<%= SiteSetting.default_locale %>">
   <head>
     <meta charset="utf-8">
     <title><%=SiteSetting.title%></title>
