diff --git a/addons/point_of_sale/models/account_move.py b/addons/point_of_sale/models/account_move.py
index db3857dc095..9097267a641 100644
--- a/addons/point_of_sale/models/account_move.py
+++ b/addons/point_of_sale/models/account_move.py
@@ -12,9 +12,9 @@ class AccountMove(models.Model):
     def _stock_account_get_last_step_stock_moves(self):
         stock_moves = super(AccountMove, self)._stock_account_get_last_step_stock_moves()
         for invoice in self.filtered(lambda x: x.type == 'out_invoice'):
-            stock_moves += invoice.mapped('pos_order_ids.picking_id.move_lines').filtered(lambda x: x.state == 'done' and x.location_dest_id.usage == 'customer')
+            stock_moves += invoice.sudo().mapped('pos_order_ids.picking_id.move_lines').filtered(lambda x: x.state == 'done' and x.location_dest_id.usage == 'customer')
         for invoice in self.filtered(lambda x: x.type == 'out_refund'):
-            stock_moves += invoice.mapped('pos_order_ids.picking_id.move_lines').filtered(lambda x: x.state == 'done' and x.location_id.usage == 'customer')
+            stock_moves += invoice.sudo().mapped('pos_order_ids.picking_id.move_lines').filtered(lambda x: x.state == 'done' and x.location_id.usage == 'customer')
         return stock_moves
 
 class AccountMoveLine(models.Model):