diff --git a/webapp/controller/HeroController.class.php b/webapp/controller/HeroController.class.php
index cc6d9491..aa98095e 100644
--- a/webapp/controller/HeroController.class.php
+++ b/webapp/controller/HeroController.class.php
@@ -380,6 +380,7 @@ class HeroController extends BaseAuthedController {
     public function upgradeQuality()
     {
         $costItemId = getReqVal('cost_item_id', 0);
+        $costHeroUniId = getReqVal('cost_hero_uniid', 0);
         $heroUniId = getReqVal('hero_uniid', 0);
         $slotId = getReqVal('slot_id', 0);
         $heroDb = Hero::find($heroUniId);