diff --git a/app/database/daily_challenge.py b/app/database/daily_challenge.py
index 19feb56..5c9e520 100644
--- a/app/database/daily_challenge.py
+++ b/app/database/daily_challenge.py
@@ -24,7 +24,7 @@ class DailyChallengeStatsBase(SQLModel, UTCBaseModel):
     daily_streak_best: int = Field(default=0)
     daily_streak_current: int = Field(default=0)
     last_update: datetime | None = Field(default=None, sa_column=Column(DateTime))
-    last_day_streak: datetime | None = Field(default=None, sa_column=Column(DateTime))
+    last_day_streak: datetime | None = Field(default=None, sa_column=Column(DateTime), exclude=True)
     last_weekly_streak: datetime | None = Field(default=None, sa_column=Column(DateTime))
     playcount: int = Field(default=0)
     top_10p_placements: int = Field(default=0)
@@ -57,7 +57,9 @@ class DailyChallengeStatsResp(DailyChallengeStatsBase):
         cls,
         obj: DailyChallengeStats,
     ) -> "DailyChallengeStatsResp":
-        return cls.model_validate(obj)
+        stats = cls.model_validate(obj)
+        stats.last_update = obj.last_day_streak
+        return stats
 
 
 async def process_daily_challenge_score(session: AsyncSession, user_id: int, room_id: int):