diff --git a/addons/stock_delivery/models/delivery_carrier.py b/addons/stock_delivery/models/delivery_carrier.py
index cfebcac0183..f4d108445e2 100644
--- a/addons/stock_delivery/models/delivery_carrier.py
+++ b/addons/stock_delivery/models/delivery_carrier.py
@@ -210,8 +210,8 @@ class DeliveryCarrier(models.Model):
                 for line in lines)
             rounded_qty = max(1, float_round(unit_quantity, precision_digits=0))
             country_of_origin = product.country_of_origin.code or lines[0].picking_id.picking_type_id.warehouse_id.partner_id.country_id.code
-            sale_price = sum(line.sale_price for line in lines)
-            commodities.append(DeliveryCommodity(product, amount=rounded_qty, monetary_value=sale_price, country_of_origin=country_of_origin))
+            unit_price = sum(line.sale_price for line in lines) / rounded_qty
+            commodities.append(DeliveryCommodity(product, amount=rounded_qty, monetary_value=unit_price, country_of_origin=country_of_origin))
 
         return commodities