diff --git a/addons/stock/models/stock_package_level.py b/addons/stock/models/stock_package_level.py
index 88a3877a1d8..58ccc351a1b 100644
--- a/addons/stock/models/stock_package_level.py
+++ b/addons/stock/models/stock_package_level.py
@@ -157,7 +157,7 @@ class StockPackageLevel(models.Model):
         return result
 
     def unlink(self):
-        self.mapped('move_ids').unlink()
+        self.mapped('move_ids').write({'package_level_id': False})
         self.mapped('move_line_ids').write({'result_package_id': False})
         return super(StockPackageLevel, self).unlink()