diff --git a/addons/sale_stock/models/stock.py b/addons/sale_stock/models/stock.py
index 26deb65145d..b13e71d6c6f 100644
--- a/addons/sale_stock/models/stock.py
+++ b/addons/sale_stock/models/stock.py
@@ -28,7 +28,7 @@ class StockMove(models.Model):
 
     def _action_done(self):
         result = super(StockMove, self)._action_done()
-        for line in result.mapped('sale_line_id'):
+        for line in result.mapped('sale_line_id').sudo():
             line.qty_delivered = line._get_delivered_qty()
         return result
 
@@ -39,7 +39,7 @@ class StockMove(models.Model):
             for move in self:
                 if move.state == 'done':
                     sale_order_lines = self.filtered(lambda move: move.sale_line_id and move.product_id.expense_policy == 'no').mapped('sale_line_id')
-                    for line in sale_order_lines:
+                    for line in sale_order_lines.sudo():
                         line.qty_delivered = line._get_delivered_qty()
         return res