diff --git a/default_index.ejs b/default_index.ejs
index f9466a46..26e968e7 100644
--- a/default_index.ejs
+++ b/default_index.ejs
@@ -2,8 +2,9 @@
 <html>
   <head>
     <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, minimum-scale=1.0">
     <title><%= htmlWebpackPlugin.options.title %></title>
   </head>
   <body>
   </body>
-</html>
\ No newline at end of file
+</html>
