diff --git a/source/Ox.UI/js/Form/Ox.Filter.js b/source/Ox.UI/js/Form/Ox.Filter.js
index ad2c2e2d..56a113e1 100644
--- a/source/Ox.UI/js/Form/Ox.Filter.js
+++ b/source/Ox.UI/js/Form/Ox.Filter.js
@@ -173,8 +173,8 @@ Ox.Filter = function(options, self) {
 
     self.$save = Ox.InputGroup({
         inputs: [
-            Ox.Checkbox({
-                width: 16
+            self.$foo = Ox.Checkbox({
+                width: 16,
             }),
             Ox.Input({
                 id: 'list',