diff --git a/dataTables.rowsGroup.js b/dataTables.rowsGroup.js
index d82a2ed..9aa0589 100644
--- a/dataTables.rowsGroup.js
+++ b/dataTables.rowsGroup.js
@@ -40,7 +40,7 @@
 
 (function($){
 
-ShowedDataSelectorModifier = {
+var ShowedDataSelectorModifier = {
 	order: 'current',
 	page: 'current',
 	search: 'applied',