diff --git a/addons/website_portal_sale/models/payment.py b/addons/website_portal_sale/models/payment.py
index fcc4aa09a40..adc8a66bdc5 100644
--- a/addons/website_portal_sale/models/payment.py
+++ b/addons/website_portal_sale/models/payment.py
@@ -11,6 +11,7 @@ class PaymentTransaction(models.Model):
 
     # link with the sale order
     sale_order_id = fields.Many2one('sale.order', string='Sale Order')
+    so_state = fields.Selection('sale.order', string='Sale Order State', related='sale_order_id.state')
 
     def _generate_and_pay_invoice(self, tx, acquirer_name):
         tx.sale_order_id._force_lines_to_invoice_policy_order()