diff --git a/webapp/services/MissionService.php b/webapp/services/MissionService.php
index dfd1581e..f829550c 100644
--- a/webapp/services/MissionService.php
+++ b/webapp/services/MissionService.php
@@ -952,12 +952,13 @@ class MissionService extends BaseService {
     {
         $idx = 0;
         $missions = &$this->getOfferRewardMissions();
-        foreach ($missions as &$val) {
+        foreach ($missions as $k=>&$val) {
             if ($val['mission_id'] == $missionId) {
                 $mission = $val;
+                $idx = $k;
                 return true;
             }
-            ++$idx;
+//            ++$idx;
         }
         return false;
     }