diff --git a/addons/account/models/account_payment.py b/addons/account/models/account_payment.py
index de720f64d51..ff41ca762ff 100644
--- a/addons/account/models/account_payment.py
+++ b/addons/account/models/account_payment.py
@@ -802,7 +802,7 @@ class payment_register(models.TransientModel):
         grouped = defaultdict(lambda: self.env["account.move"])
         for inv in self.invoice_ids:
             if self.group_payment:
-                grouped[(inv.commercial_partner_id, inv.currency_id, inv.partner_bank_id, MAP_INVOICE_TYPE_PARTNER_TYPE[inv.type])] += inv
+                grouped[(inv.commercial_partner_id, inv.currency_id, inv.invoice_partner_bank_id, MAP_INVOICE_TYPE_PARTNER_TYPE[inv.type])] += inv
             else:
                 grouped[inv.id] += inv
         return [self._prepare_payment_vals(invoices) for invoices in grouped.values()]