diff --git a/ext/custom-addons/dp_custom/models/sale.py b/ext/custom-addons/dp_custom/models/sale.py
index 09e5567d..d2796799 100644
--- a/ext/custom-addons/dp_custom/models/sale.py
+++ b/ext/custom-addons/dp_custom/models/sale.py
@@ -575,7 +575,8 @@ class SaleOrder(models.Model):
         if vals.get('message_post',False):
             self.message_post(body=vals.get('message_post'))
 
-        self._reset_sequence()
+        if vals.get('order_line',False):
+            self._reset_sequence()
 
         return res