diff --git a/repositories/user.py b/repositories/user.py
index b72e832..d7d09e5 100644
--- a/repositories/user.py
+++ b/repositories/user.py
@@ -25,7 +25,7 @@ async def get_by_tgid(user_dto: UserDTO) -> UserDTO | None:
 
     @staticmethod
     async def update(user_dto: UserDTO) -> None:
-        user_dto_dict = user_dto.__dict__
+        user_dto_dict = user_dto.model_dump()
         none_keys = [k for k, v in user_dto_dict.items() if v is None]
         for k in none_keys:
             user_dto_dict.pop(k)
diff --git a/services/cart.py b/services/cart.py
index 8a483e4..52cddb0 100644
--- a/services/cart.py
+++ b/services/cart.py
@@ -149,8 +149,8 @@ async def buy_processing(callback: CallbackQuery) -> tuple[str, InlineKeyboardBu
                 await CartItemRepository.remove_from_cart(cart_item.id)
                 sold_items.append(cart_item)
                 msg += MessageService.create_message_with_bought_items(purchased_items)
-                user.consume_records = user.consume_records + cart_total
-                await UserRepository.update(user)
+            user.consume_records = user.consume_records + cart_total
+            await UserRepository.update(user)
             await NotificationService.new_buy(sold_items, user)
             return msg, kb_builder
         elif unpacked_cb.confirmation is False: