diff --git a/webapp/models/MidData.php b/webapp/models/MidData.php
index f94aed26..3960c9b6 100644
--- a/webapp/models/MidData.php
+++ b/webapp/models/MidData.php
@@ -7,7 +7,7 @@ use phpcommon\SqlHelper;
 
 class MidData extends BaseModel {
 
-    const BIG_WHEEL_TYPE = 'offer.reward.missions';
+    const BIG_WHEEL_TYPE = 'big_wheel';
 
     public static function getData($type)
     {