diff --git a/addons/sale/models/sale_order.py b/addons/sale/models/sale_order.py
index ea74407ce55..65f8e905d62 100644
--- a/addons/sale/models/sale_order.py
+++ b/addons/sale/models/sale_order.py
@@ -928,7 +928,7 @@ class SaleOrder(models.Model):
         :return: None
         """
         for order in self:
-            mail_template = self._get_confirmation_template()
+            mail_template = order._get_confirmation_template()
             order._send_order_notification_mail(mail_template)
 
     def _send_payment_succeeded_for_order_mail(self):