diff --git a/margin_app/app/crud/user.py b/margin_app/app/crud/user.py
index 0a659b5b..836ae0f3 100644
--- a/margin_app/app/crud/user.py
+++ b/margin_app/app/crud/user.py
@@ -54,7 +54,7 @@ async def create_user(self, wallet_id: str) -> User:
             except IntegrityError as e:
                 await session.rollback()
                 if "unique constraint" in str(e).lower():
-                    raise ValueError(f"Key (wallet_id)=({wallet_id}) already exists") from e
+                    raise ValueError(f"{wallet_id} already exists") from e
                 raise
 
     async def get_user(self, user_id: UUID, **kwargs) -> Optional[User]:
diff --git a/margin_app/app/tests/test_user_crud.py b/margin_app/app/tests/test_user_crud.py
index 0204846b..389d453d 100644
--- a/margin_app/app/tests/test_user_crud.py
+++ b/margin_app/app/tests/test_user_crud.py
@@ -51,7 +51,7 @@ async def test_create_user_duplicate_wallet_id(user_crud: UserCRUD) -> None:
     wallet_id = "wallet_666"
     await user_crud.create_user(wallet_id = wallet_id)
     with pytest.raises(ValueError, 
-                       match=f"Key (wallet_id)=({wallet_id}) already exists"):
+                       match=f"{wallet_id} already exists"):
         await user_crud.create_user(wallet_id = wallet_id)
 #----------------------------------------------------------------------------------