diff --git a/organizator_api/app/users/domain/usecases/login_use_case.py b/organizator_api/app/users/domain/usecases/login_use_case.py
index 73e95007..0904bf53 100644
--- a/organizator_api/app/users/domain/usecases/login_use_case.py
+++ b/organizator_api/app/users/domain/usecases/login_use_case.py
@@ -14,7 +14,8 @@ def execute(self, username: str, password: str) -> uuid.UUID:
         if user.token is not None:
             return user.token
 
-        if bcrypt.checkpw(password.encode("utf-8"), user.password) is False:
+        check = bcrypt.checkpw(password.encode("utf-8"), bytes(user.password))
+        if not check:
             raise InvalidPassword
 
         user.token = uuid.uuid4()