diff --git a/webapp/services/MissionService.php b/webapp/services/MissionService.php
index 5f6b8cb5..2ac989ed 100644
--- a/webapp/services/MissionService.php
+++ b/webapp/services/MissionService.php
@@ -451,7 +451,7 @@ class MissionService extends BaseService {
         $battleData = $this->internalGetBattleData($missionMeta);
         $val = getXVal($battleData, $key, 0);
         if ($key == 'total_alive_time'){
-            $val = $val/1000/60;
+            $val = floor($val/1000/60);
         }
         return $val;
     }