diff --git a/themes/blueprint/js/hierarchyTree_JSTree.js b/themes/blueprint/js/hierarchyTree_JSTree.js
index 04caee393ac945aa5cf961c8167c68e474d00c67..b880610556519b7c589ae9d63955bfaff6f4cf11 100644
--- a/themes/blueprint/js/hierarchyTree_JSTree.js
+++ b/themes/blueprint/js/hierarchyTree_JSTree.js
@@ -1,3 +1,5 @@
+/*global hierarchySettings, path, vufindString*/
+
 var hierarchyID;
 var baseTreeSearchFullURL;