diff --git a/addons/point_of_sale/models/pos_order.py b/addons/point_of_sale/models/pos_order.py
index af94179c442..864e8c2a208 100644
--- a/addons/point_of_sale/models/pos_order.py
+++ b/addons/point_of_sale/models/pos_order.py
@@ -732,7 +732,7 @@ class PosOrder(models.Model):
             # when the pos.config has no picking_type_id set only the moves will be created
             if moves and not return_picking and not order_picking:
                 moves._action_assign()
-                moves.filtered(lambda m: m.state in ['confirmed', 'waiting']).force_assign()
+                moves.filtered(lambda m: m.state in ['confirmed', 'waiting'])._force_assign()
                 moves.filtered(lambda m: m.product_id.tracking == 'none')._action_done()
 
         return True