From c9fd498cb6a5987f9d94b8ebc4ef63d357df0382 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 11 Oct 2021 08:53:21 +0200
Subject: [PATCH] Fall-back to target default order

issue10818
---
 trytond/model/fields/one2many.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/trytond/model/fields/one2many.py b/trytond/model/fields/one2many.py
index b21a983a30..b0826081f9 100644
--- a/trytond/model/fields/one2many.py
+++ b/trytond/model/fields/one2many.py
@@ -134,6 +134,8 @@ class One2Many(Field):
             order = []
         if self.order:
             order += self.order
+        elif Target._order:
+            order += Target._order
         targets = []
         for sub_ids in grouped_slice(ids):
             if field._type == 'reference':