diff --git a/public/js/main.js b/public/js/main.js
index 64a90ce2d28..54ca6e029cd 100644
--- a/public/js/main.js
+++ b/public/js/main.js
@@ -1,5 +1,5 @@
 $(document).ready(function() {
-    challengeName = typeof challengeName !== undefined ? challengeName : 'Untitled';
+    var challengeName = typeof challengeName !== undefined ? challengeName : 'Untitled';
     if (challengeName) {
         ga('send', 'event',  'Challenge', 'load', challengeName);
     }
@@ -331,4 +331,4 @@ profileValidation.directive('uniqueEmail', ['$http', function($http) {
             });
         }
     }
-}]);
\ No newline at end of file
+}]);