diff --git a/webapp/controller/InGameMallController.class.php b/webapp/controller/InGameMallController.class.php
index 7c127432..aa1ae750 100644
--- a/webapp/controller/InGameMallController.class.php
+++ b/webapp/controller/InGameMallController.class.php
@@ -128,7 +128,7 @@ class InGameMallController extends BaseAuthedController {
                                 $arrItemFilters = explode('|', $itemFilters);
                                 if(count($arrItemFilters) > 1){
                                     $strWhere = implode(',',$arrItemFilters);
-                                    return "AND item_id IN ('${strWhere}')";
+                                    return "AND item_id IN (${strWhere})";
                                 }else{
                                     return "AND item_id = '${itemFilters}'";
                                 }