diff --git a/addons/sale_management/models/sale_order.py b/addons/sale_management/models/sale_order.py
index 6df0e2fb5c3..e7cd5dbcf49 100644
--- a/addons/sale_management/models/sale_order.py
+++ b/addons/sale_management/models/sale_order.py
@@ -119,7 +119,7 @@ class SaleOrder(models.Model):
 
         for order in self:
             if order.sale_order_template_id and order.sale_order_template_id.mail_template_id:
-                order.sale_order_template_id.mail_template_id.send_mail(order.id)
+                order.message_post_with_source(order.sale_order_template_id.mail_template_id)
         return res
 
     def _recompute_prices(self):