diff --git a/inc/print_tickets.inc.php b/inc/print_tickets.inc.php
index 38c9656a..c326d470 100644
--- a/inc/print_tickets.inc.php
+++ b/inc/print_tickets.inc.php
@@ -33,6 +33,9 @@ if (!defined('IN_SCRIPT')) {
     die('Invalid attempt');
 }
 
+// Load custom fields
+require_once(HESK_PATH . 'inc/custom_fields.inc.php');
+
 // This SQL code will be used to retrieve results
 $sql_final = "SELECT
 `id`,