diff --git a/l10n_it_delivery_note/models/stock_picking.py b/l10n_it_delivery_note/models/stock_picking.py
index 3ae921027734..059df9ba8028 100644
--- a/l10n_it_delivery_note/models/stock_picking.py
+++ b/l10n_it_delivery_note/models/stock_picking.py
@@ -439,3 +439,4 @@ def _create_backorder(self):
         backorders = super()._create_backorder()
         for backorder in backorders:
             backorder.backorder_id.delivery_note_id.update_detail_lines()
+        return backorders