diff --git a/models/secondary.py b/models/secondary.py
index 8e5bd3f..0323df2 100644
--- a/models/secondary.py
+++ b/models/secondary.py
@@ -16,7 +16,7 @@ class DealService(BaseModel):
     service = relationship('Service')
 
     quantity = Column(Integer, nullable=False, comment='Кол-во услуги')
-    price = Column(Integer, nullable=False, comment='Цена услуги')
+    price = Column(Integer, nullable=False,server_default='0', comment='Цена услуги')
 
 
 class DealProductService(BaseModel):