diff --git a/src/Umbraco.Web.UI.Client/src/views/directives/umb-navigation.html b/src/Umbraco.Web.UI.Client/src/views/directives/umb-navigation.html
index 4c2b800501..7963327d81 100644
--- a/src/Umbraco.Web.UI.Client/src/views/directives/umb-navigation.html
+++ b/src/Umbraco.Web.UI.Client/src/views/directives/umb-navigation.html
@@ -1,5 +1,5 @@
 <div id="leftcolumn" ng-controller="Umbraco.NavigationController" 
-    ng-mouseleave="nav.leaveTree()" ng-mouseenter="nav.enterTree()" >
+    ng-mouseleave="nav.leaveTree($event)" ng-mouseenter="nav.enterTree($event)" >
     <div id="applications" ng-class="{faded:nav.ui.stickyNavigation}">
         <ul class="sections">