diff --git a/addons/website_sale/models/website.py b/addons/website_sale/models/website.py
index bdcc5c9f56f..5de0f524fc7 100644
--- a/addons/website_sale/models/website.py
+++ b/addons/website_sale/models/website.py
@@ -293,7 +293,7 @@ class Website(models.Model):
 
         else:
             request.session['sale_order_id'] = None
-            return None
+            return self.env['sale.order']
 
         return sale_order