diff --git a/addons/delivery/models/sale_order.py b/addons/delivery/models/sale_order.py
index ce67f792a00..2e1321f67bd 100644
--- a/addons/delivery/models/sale_order.py
+++ b/addons/delivery/models/sale_order.py
@@ -18,7 +18,7 @@ class SaleOrder(models.Model):
     @api.depends('order_line')
     def _compute_is_service_products(self):
         for so in self:
-            so.is_all_service = all(line.product_id.type == 'service' for line in so.order_line)
+            so.is_all_service = all(line.product_id.type == 'service' for line in so.order_line.filtered(lambda x: not x.display_type))
 
     def _compute_amount_total_without_delivery(self):
         self.ensure_one()