diff --git a/app/DataMapper/CompanySettings.php b/app/DataMapper/CompanySettings.php
index 90149618bd2b..647f28975c15 100644
--- a/app/DataMapper/CompanySettings.php
+++ b/app/DataMapper/CompanySettings.php
@@ -249,6 +249,8 @@ class CompanySettings extends BaseSettings
     public $client_portal_allow_over_payment = false;
 
     public static $casts = [
+        'recurring_invoice_number_pattern'   => 'string',
+        'recurring_invoice_number_counter'   => 'int',
         'client_portal_under_payment_minimum'=> 'float',
         'auto_bill_date'                     => 'string',
         'primary_color'                      => 'string',