diff --git a/addons/delivery/models/sale_order.py b/addons/delivery/models/sale_order.py
index e8dc431219ca6..3d317c238324b 100644
--- a/addons/delivery/models/sale_order.py
+++ b/addons/delivery/models/sale_order.py
@@ -111,6 +111,8 @@ def _create_delivery_line(self, carrier, price_unit):
             values['name'] += '\n' + 'Free Shipping'
         if self.order_line:
             values['sequence'] = self.order_line[-1].sequence + 1
+        if self.picking_ids:
+            self.picking_ids.write({'carrier_id': carrier.id})
         sol = SaleOrderLine.sudo().create(values)
         return sol