diff --git a/webapp/controller/BattleController.class.php b/webapp/controller/BattleController.class.php
index f8835df3..260cffba 100644
--- a/webapp/controller/BattleController.class.php
+++ b/webapp/controller/BattleController.class.php
@@ -1121,6 +1121,9 @@ class BattleController extends BaseAuthedController {
 
     private function checkTicket($r, $customData, $mapModeMeta)
     {
+        if ($mapModeMeta['map_mode'] == 501) {
+            return false;
+        }
         $itemId = $mapModeMeta['admission_item_id'];
         if (empty($itemId)) {
             return true;
@@ -1128,9 +1131,6 @@ class BattleController extends BaseAuthedController {
         if (!$mapModeMeta['is_open']) {
             return false;
         }
-        if ($mapModeMeta['map_mode'] == 501) {
-            return false;
-        }
         $roomUuid = $customData['room_uuid'];
         if ($r->get(DEC_BATTLE_TICKET . $roomUuid)) {
             return true;