diff --git a/addons/purchase_stock/models/purchase.py b/addons/purchase_stock/models/purchase.py
index 23737273c4a..70a4331eea5 100644
--- a/addons/purchase_stock/models/purchase.py
+++ b/addons/purchase_stock/models/purchase.py
@@ -470,7 +470,7 @@ class PurchaseOrderLine(models.Model):
 
     def _check_orderpoint_picking_type(self):
         warehouse_loc = self.order_id.picking_type_id.warehouse_id.view_location_id
-        if self.orderpoint_id and not warehouse_loc.parent_path in self.orderpoint_id.location_id.parent_path:
+        if warehouse_loc and self.orderpoint_id and not warehouse_loc.parent_path in self.orderpoint_id.location_id.parent_path:
             raise UserError(_('For the product %s, the warehouse of the operation type (%s) is inconsistent with the location (%s) of the reordering rule (%s). Change the operation type or cancel the request for quotation.',
                               self.product_id.display_name, self.order_id.picking_type_id.display_name, self.orderpoint_id.location_id.display_name, self.orderpoint_id.display_name))