diff --git a/src/favoritesController.js b/src/favoritesController.js
index 421684c5c..462182816 100644
--- a/src/favoritesController.js
+++ b/src/favoritesController.js
@@ -535,7 +535,7 @@ FavoritesController.prototype = {
         var beforeThis = null;
         var rawLower = rawName.toLowerCase();
         $('#category-list > li').each(function() {
-            catName = $(this).attr('category');
+            var catName = $(this).attr('category');
             if (rawLower.localeCompare(catName) < 0) {
                 beforeThis = $(this);
                 return false;