diff --git a/gerboweb/templates/index.html b/gerboweb/templates/index.html
index 4dca6dc..a19fc88 100644
--- a/gerboweb/templates/index.html
+++ b/gerboweb/templates/index.html
@@ -5,6 +5,7 @@
     <link rel="stylesheet" type="text/css" href="{{url_for('static', filename='style.css')}}">
     <link rel="icon" type="image/png" href="{{url_for('static', filename='favicon-512.png')}}">
     <link rel="apple-touch-icon" href="{{url_for('static', filename='favicon-512.png')}}">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
   </head>
   <body>
     <div class="layout-container">
