diff --git a/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py b/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py
index c54c2e9..230adcf 100644
--- a/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py
+++ b/purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py
@@ -48,6 +48,9 @@ class PurchaseOrderRecommendationSupermarketWizard(models.TransientModel):
         compute="_compute_order_total_amount",
         readonly=True,
     )
+    line_amount = fields.Integer(
+        default=0,
+    )
 
     @api.depends("date_begin", "date_end")
     def _compute_total_days(self):