diff --git a/lib/client/listeners.js b/lib/client/listeners.js
index 9885ba49..1af1f144 100644
--- a/lib/client/listeners.js
+++ b/lib/client/listeners.js
@@ -214,7 +214,7 @@ var Util, DOM, CloudFunc, CloudCmd;
         }
         
         function contextMenu() {
-            Events.addOnce('contextmenu', DOM.getFM(), function() {
+            Events.addOnce('contextmenu', DOM.getFM(), function(event) {
                 CloudCmd.Menu.show({
                     x: event.clientX,
                     y: event.clientY