diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index 3757f9fec2a..dcb0deeb2dd 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -646,7 +646,7 @@ if ($resql)
 						$error++;
 						setEventMessages($objecttmp->ref.' '.$langs->trans("RequestAlreadyDone"), $objecttmp->errors, 'errors');
 					}
-					if($objecttmp->mode_reglement_id != 3){
+					if(!empty($objecttmp->mode_reglement_id ) && $objecttmp->mode_reglement_id != 3){
 						$error++;
 						setEventMessages($objecttmp->ref.' '.$langs->trans("BadPaymentMethod"), $objecttmp->errors, 'errors');
 					}