diff --git a/lib/client/listeners.js b/lib/client/listeners.js
index 3bbb86c3..e552eedf 100644
--- a/lib/client/listeners.js
+++ b/lib/client/listeners.js
@@ -373,7 +373,7 @@ var Util, DOM, CloudCmd;
         }
         
         function pop() {
-            Events.add("popstate", function(event) {
+            Events.add('popstate', function(event) {
                 var path;
                 
                 if (!event.state)