diff --git a/addons/account/wizard/account_payment_register.py b/addons/account/wizard/account_payment_register.py
index 2d19473ca2e..279e880489f 100644
--- a/addons/account/wizard/account_payment_register.py
+++ b/addons/account/wizard/account_payment_register.py
@@ -140,7 +140,7 @@ class AccountPaymentRegister(models.TransientModel):
         '''
         self.ensure_one()
 
-        lines = self.line_ids
+        lines = self.line_ids._origin
 
         if len(lines.company_id) > 1:
             raise UserError(_("You can't create payments for entries belonging to different companies."))