diff --git a/modules/Vtiger/models/RelationListView.php b/modules/Vtiger/models/RelationListView.php
index 30256a61f265cb15dbb34413fe96afa569913375..94803f0d156d9cb771d3fcdfc0ea23205396afd3 100644
--- a/modules/Vtiger/models/RelationListView.php
+++ b/modules/Vtiger/models/RelationListView.php
@@ -217,7 +217,7 @@ class Vtiger_RelationListView_Model extends Vtiger_Base_Model {
                 if (!$orderBy & PerformancePrefs::getBoolean('LISTVIEW_DEFAULT_SORTING', true)) {
                         $entityModule=CRMEntity::getInstance($relationModule->name);
                         $orderBy=$entityModule->default_order_by;
-                        $sortorder=$entityModule->default_sort_order;
+                        $sortOrder=$entityModule->default_sort_order;
                 }
 
 		if($orderBy) {