diff --git a/airtime_mvc/application/Bootstrap.php b/airtime_mvc/application/Bootstrap.php
index bd1c2e1ec..aa84142cb 100644
--- a/airtime_mvc/application/Bootstrap.php
+++ b/airtime_mvc/application/Bootstrap.php
@@ -13,6 +13,8 @@ require_once __DIR__."/configs/constants.php";
 require_once 'DB.php';
 
 require_once 'Preference.php';
+require_once "DateHelper.php";
+require_once "OsPath.php";
 require_once __DIR__.'/controllers/plugins/RabbitMqPlugin.php';
 
 global $CC_CONFIG, $CC_DBC;