diff --git a/platform/commonUI/browse/src/BrowseController.js b/platform/commonUI/browse/src/BrowseController.js
index 22330e5671..ea44af889d 100644
--- a/platform/commonUI/browse/src/BrowseController.js
+++ b/platform/commonUI/browse/src/BrowseController.js
@@ -142,11 +142,7 @@ define(
             };
             
             $scope.treeSlide = function () {
-                if ($scope.treeCl) {
-                    $scope.treeCl = false;
-                } else if (!$scope.treeCl) {
-                    $scope.treeCl = true;
-                }
+                $scope.treeCl = !$scope.treeCl;
             };
 
             // Listen for changes in navigation state.