diff --git a/www/render/index.html b/www/render/index.html
index b463a5dac..969a9ccaa 100644
--- a/www/render/index.html
+++ b/www/render/index.html
@@ -2,6 +2,7 @@
 <html>
 <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
     <link rel="stylesheet" href="/common/render-sd.css"></link>
     <script data-main="main" src="/bower_components/requirejs/require.js"></script>
     <style>
