diff --git a/resource/platform_diff/iOS/resource/tasks.json b/resource/platform_diff/iOS/resource/tasks.json
index f67f13d2b2..393fdc2dec 100644
--- a/resource/platform_diff/iOS/resource/tasks.json
+++ b/resource/platform_diff/iOS/resource/tasks.json
@@ -16,5 +16,8 @@
     },
     "BattleQuickFormationRole": {
         "templThreshold": 0.65
+    },
+    "Mizuki@Roguelike@MissionFailedFlag": {
+        "templThreshold": 0.75
     }
 }