diff --git a/locker_server/core/services/family_service.py b/locker_server/core/services/family_service.py
index b41a690..293ca05 100644
--- a/locker_server/core/services/family_service.py
+++ b/locker_server/core/services/family_service.py
@@ -62,7 +62,7 @@ def destroy_family_member(self, user_id: int, family_member_id: int):
         )
         if not family_member:
             raise UserPlanFamilyDoesNotExistException
-        if family_member.user.user_id == user_id:
+        if family_member.user is not None and family_member.user.user_id == user_id:
             raise UserPlanFamilyDoesNotExistException
         # Downgrade the plan of the member user
         family_user_id, family_email = self.user_plan_repository.delete_family_member(family_member_id=family_member_id)