diff --git a/addons/stock_delivery/models/delivery_carrier.py b/addons/stock_delivery/models/delivery_carrier.py
index 3d0a9212f11..cfebcac0183 100644
--- a/addons/stock_delivery/models/delivery_carrier.py
+++ b/addons/stock_delivery/models/delivery_carrier.py
@@ -4,6 +4,7 @@ from odoo import _, fields, models
 
 from odoo.exceptions import UserError, ValidationError
 from odoo.tools.float_utils import float_round
+from odoo.tools.misc import groupby
 
 from .delivery_request_objects import DeliveryCommodity, DeliveryPackage
 
@@ -199,18 +200,19 @@ class DeliveryCarrier(models.Model):
 
     def _get_commodities_from_stock_move_lines(self, move_lines):
         commodities = []
-        for line in move_lines.filtered(lambda line: line.product_id.type in ['product', 'consu']):
-            qty = line.qty_done if line.state == 'done' else line.reserved_uom_qty
-            unit_quantity = line.product_uom_id._compute_quantity(qty, line.product_id.uom_id)
+
+        product_lines = move_lines.filtered(lambda line: line.product_id.type in ['product', 'consu'])
+        for product, lines in groupby(product_lines, lambda x: x.product_id):
+            unit_quantity = sum(
+                line.product_uom_id._compute_quantity(
+                    line.qty_done if line.state == 'done' else line.reserved_uom_qty,
+                    product.uom_id)
+                for line in lines)
             rounded_qty = max(1, float_round(unit_quantity, precision_digits=0))
-            country_of_origin = line.product_id.country_of_origin.code or \
-                line.picking_id.picking_type_id.warehouse_id.partner_id.country_id.code
-            commodities.append(DeliveryCommodity(
-                line.product_id,
-                amount=rounded_qty,
-                monetary_value=line.sale_price,
-                country_of_origin=country_of_origin
-            ))
+            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))
+
         return commodities
 
     def _product_price_to_company_currency(self, quantity, product, company):