diff --git a/themes/bootstrap3/js/hierarchyTree.js b/themes/bootstrap3/js/hierarchyTree.js
index 5cb07e6910cc044a0c1d4322b7f5b9e131f14f41..02c43a06f6a9b0f21de79e65b8291c9b3ebc4bfb 100644
--- a/themes/bootstrap3/js/hierarchyTree.js
+++ b/themes/bootstrap3/js/hierarchyTree.js
@@ -87,8 +87,8 @@ function doTreeSearch() {
           var id = htmlEncodeId(data.results[i]);
           tree._open_to(id);
         }
-        for (i = data.results.length; i--;) {
-          var tid = htmlEncodeId(data.results[i]);
+        for (var j = data.results.length; j--;) {
+          var tid = htmlEncodeId(data.results[j]);
           $('#hierarchyTree').find('#' + tid).addClass('jstree-search');
         }
         changeNoResultLabel(false);