diff --git a/webapp/services/BattleDataService.php b/webapp/services/BattleDataService.php
index 8653ed1d..b9ef2720 100644
--- a/webapp/services/BattleDataService.php
+++ b/webapp/services/BattleDataService.php
@@ -450,7 +450,7 @@ class BattleDataService extends BaseService {
     private function updatePveData()
     {
         $instanceId = getReqVal('pve_instance_id', 0);
-        $instanceMode = getReqVal('pve_instance_id', 0);
+        $instanceMode = getReqVal('pve_instance_mode', 0);
         $this->pveGeminiMeta = mt\PveGemini::get($instanceId);
         $this->pveGeminiMetaMode = mt\PveGeminiMode::get($instanceMode);
     }