diff --git a/app/Models/Account.php b/app/Models/Account.php
index 0a211d00326e..31c80840259f 100644
--- a/app/Models/Account.php
+++ b/app/Models/Account.php
@@ -235,6 +235,7 @@ class Account extends Eloquent
     public static $customLabels = [
         'balance_due',
         'credit_card',
+        'delivery_note',
         'description',
         'discount',
         'due_date',
@@ -259,6 +260,7 @@ class Account extends Eloquent
         'tax',
         'terms',
         'unit_cost',
+        'valid_until',
         'vat_number',
     ];