diff --git a/modules/menu/tpl/sitemap.html b/modules/menu/tpl/sitemap.html
index 73c67527c..d4c6b8cce 100644
--- a/modules/menu/tpl/sitemap.html
+++ b/modules/menu/tpl/sitemap.html
@@ -2045,9 +2045,10 @@ jQuery(function($){
 			
 			sDefault = htInfo.sDefault;
 			//aGroup = htInfo.aGroup;
+			aGroup = [];
 			// The comparison target "htInfo.group_srl" is always string where htInfo.aGroup can be either string OR integer. For easier comparison, conver aGroup to string.
 			for(var n=0, nLen=htInfo.aGroup.length; n<nLen; n++){
-				aGroup[n] = ""+htInfo.aGroup[n];
+				aGroup[n] = "" + htInfo.aGroup[n];
 			}
 			sGrant = htInfo.sGrant;