diff --git a/index.html b/index.html
index e4175e2..bfe9f8f 100644
--- a/index.html
+++ b/index.html
@@ -3,7 +3,7 @@
 <head>
     <meta charset="utf-8">
 </head>
-<body>
+<body ng-controller="C1 as vm">
 
 
 <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.5.6/angular.min.js"></script>
