diff --git a/internal/player/service.go b/internal/player/service.go
index 735f4a4..15a4099 100644
--- a/internal/player/service.go
+++ b/internal/player/service.go
@@ -167,9 +167,9 @@ func (s *Service) SaveGameDataByUsername(username string, data *GameDataRequest)
 
 // GrantExperience adds experience to a player and handles level ups + stat recalculation.
 func (s *Service) GrantExperience(userID uint, exp int) (*LevelUpResult, error) {
-	profile, err := s.repo.FindByUserID(userID)
+	profile, err := s.GetProfile(userID)
 	if err != nil {
-		return nil, fmt.Errorf("프로필이 존재하지 않습니다")
+		return nil, fmt.Errorf("프로필 조회/생성 실패: %w", err)
 	}
 
 	result := ApplyExperience(profile.Level, profile.Experience, exp)