diff --git a/stock_request_direction/models/stock_request_order.py b/stock_request_direction/models/stock_request_order.py
index 10e545451..e794e6058 100644
--- a/stock_request_direction/models/stock_request_order.py
+++ b/stock_request_direction/models/stock_request_order.py
@@ -26,7 +26,7 @@ class StockRequestOrder(models.Model):
             if stock_request.route_id:
                 stock_request.route_id = False
 
-    @api.onchange('warehouse_id')
+    @api.onchange("warehouse_id")
     def onchange_warehouse_id(self):
         # Onchange no longer needed
         pass