diff --git a/account_payment_order/models/bank_payment_line.py b/account_payment_order/models/bank_payment_line.py
index 095975d03..4bf901ce1 100644
--- a/account_payment_order/models/bank_payment_line.py
+++ b/account_payment_order/models/bank_payment_line.py
@@ -15,7 +15,7 @@ class BankPaymentLine(models.Model):
         readonly=True)
     order_id = fields.Many2one(
         'account.payment.order', string='Order', ondelete='cascade',
-        select=True)
+        index=True)
     payment_type = fields.Selection(
         related='order_id.payment_type', string="Payment Type",
         readonly=True, store=True)