diff --git a/addons/website_sale/models/website.py b/addons/website_sale/models/website.py
index c924bbb886e..515000d9e15 100644
--- a/addons/website_sale/models/website.py
+++ b/addons/website_sale/models/website.py
@@ -264,7 +264,7 @@ class Website(models.Model):
                 self.env['account.fiscal.position'].sudo()
                 .with_company(sale_order.company_id.id)
                 .get_fiscal_position(sale_order.partner_id.id, delivery_id=sale_order.partner_shipping_id.id)
-            )
+            ).id
             if sale_order.fiscal_position_id.id != fpos_id:
                 sale_order = None