diff --git a/index.html b/index.html
index e61ae58f..a088a5a4 100644
--- a/index.html
+++ b/index.html
@@ -3,6 +3,7 @@
 <head>
   <title>Javascript Racer</title>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
 </head> 
 
 <body> 
