diff --git a/app/modules/flappybird/cruds_flappybird.py b/app/modules/flappybird/cruds_flappybird.py
index 1f7cb76b8..34f553d8e 100644
--- a/app/modules/flappybird/cruds_flappybird.py
+++ b/app/modules/flappybird/cruds_flappybird.py
@@ -8,12 +8,12 @@
 
 async def get_flappybird_score_leaderboard(
     db: AsyncSession,
-) -> list[models_flappybird.FlappyBirdBestScore]:
+) -> list[models_flappybird.RFlappyBirdBestScore]:
     """Return the flappybird leaderboard scores"""
     result = await db.execute(
-        select(models_flappybird.FlappyBirdBestScore)
-        .order_by(models_flappybird.FlappyBirdBestScore.value.desc())
-        .options(selectinload(models_flappybird.FlappyBirdBestScore.user)),
+        select(models_flappybird.RFlappyBirdBestScore)
+        .order_by(models_flappybird.RFlappyBirdBestScore.value.desc())
+        .options(selectinload(models_flappybird.RFlappyBirdBestScore.user)),
     )
     return list(result.scalars().all())
 
@@ -21,13 +21,15 @@ async def get_flappybird_score_leaderboard(
 async def get_flappybird_personal_best_by_user_id(
     db: AsyncSession,
     user_id: str,
-) -> models_flappybird.FlappyBirdBestScore | None:
+) -> models_flappybird.RFlappyBirdBestScore | None:
     """Return the flappybird PB in the leaderboard by user_id"""
 
     personal_best_result = await db.execute(
-        select(models_flappybird.FlappyBirdBestScore).where(
-            models_flappybird.FlappyBirdBestScore.user_id == user_id,
-        ),
+        select(models_flappybird.RFlappyBirdBestScore)
+        .where(
+            models_flappybird.RFlappyBirdBestScore.user_id == user_id,
+        )
+        .options(selectinload(models_flappybird.RFlappyBirdBestScore.user)),
     )
     return personal_best_result.scalar()
 
diff --git a/app/modules/flappybird/models_flappybird.py b/app/modules/flappybird/models_flappybird.py
index bef0f79b0..616491248 100644
--- a/app/modules/flappybird/models_flappybird.py
+++ b/app/modules/flappybird/models_flappybird.py
@@ -1,27 +1,37 @@
 from datetime import datetime
 
 from sqlalchemy import ForeignKey
-from sqlalchemy.orm import Mapped, mapped_column, relationship
+from sqlalchemy.orm import Mapped, MappedAsDataclass, mapped_column, relationship
 
 from app.core.models_core import CoreUser
 from app.types.sqlalchemy import Base, PrimaryKey
 
 
-class FlappyBirdScore(Base):
+class FlappyBirdScore(MappedAsDataclass, Base):
     __tablename__ = "flappy-bird_score"
 
     id: Mapped[PrimaryKey]
     user_id: Mapped[str] = mapped_column(ForeignKey("core_user.id"))
-    user: Mapped[CoreUser] = relationship("CoreUser")
     value: Mapped[int]
     creation_time: Mapped[datetime]
 
 
-class FlappyBirdBestScore(Base):
+class RFlappyBirdScore(FlappyBirdScore):
+    __tablename__ = "flappy-bird_score"
+
+    user: Mapped[CoreUser] = relationship("CoreUser")
+
+
+class FlappyBirdBestScore(MappedAsDataclass, Base):
     __tablename__ = "flappy-bird_best_score"
 
     id: Mapped[PrimaryKey]
     user_id: Mapped[str] = mapped_column(ForeignKey("core_user.id"))
-    user: Mapped[CoreUser] = relationship("CoreUser")
     value: Mapped[int]
     creation_time: Mapped[datetime]
+
+
+class RFlappyBirdBestScore(FlappyBirdBestScore):
+    __tablename__ = "flappy-bird_best_score"
+
+    user: Mapped[CoreUser] = relationship("CoreUser")
diff --git a/tests/test_flappybird.py b/tests/test_flappybird.py
index e808ebae2..913002da7 100644
--- a/tests/test_flappybird.py
+++ b/tests/test_flappybird.py
@@ -13,8 +13,8 @@
     create_user_with_groups,
 )
 
-flappybird_score: models_flappybird.FlappyBirdScore | None = None
-user: models_core.CoreUser | None = None
+flappybird_score: models_flappybird.FlappyBirdScore
+user: models_core.CoreUser
 token: str = ""
 
 
@@ -30,7 +30,6 @@ async def init_objects() -> None:
     flappybird_score = models_flappybird.FlappyBirdScore(
         id=uuid.uuid4(),
         user_id=user.id,
-        user=user,
         value=25,
         creation_time=datetime.now(UTC),
     )
@@ -40,7 +39,6 @@ async def init_objects() -> None:
     flappybird_best_score = models_flappybird.FlappyBirdBestScore(
         id=uuid.uuid4(),
         user_id=user.id,
-        user=user,
         value=25,
         creation_time=datetime.now(UTC),
     )
@@ -54,6 +52,8 @@ def test_get_flappybird_score(client: TestClient) -> None:
         headers={"Authorization": f"Bearer {token}"},
     )
     assert response.status_code == 200
+    body = response.json()
+    assert body[0]["user"]["firstname"] == user.firstname
 
 
 def test_get_current_user_flappybird_personal_best(client: TestClient) -> None:
@@ -62,6 +62,8 @@ def test_get_current_user_flappybird_personal_best(client: TestClient) -> None:
         headers={"Authorization": f"Bearer {token}"},
     )
     assert response.status_code == 200
+    body = response.json()
+    assert body["user"]["firstname"] == user.firstname
 
 
 def test_create_flappybird_score(client: TestClient) -> None: