diff --git a/post/setting.php b/post/setting.php
index 726c60df..e141827d 100644
--- a/post/setting.php
+++ b/post/setting.php
@@ -199,7 +199,7 @@ if (isset($_POST['test_email_imap'])) {
     validateAdminRole();
 
     // Autoload Composer dependencies
-    require_once __DIR__ . '/plugins/php-imap/vendor/autoload.php';
+    require_once __DIR__ . '..//plugins/php-imap/vendor/autoload.php';
 
     // Webklex PHP-IMAP
     use Webklex\PHPIMAP\ClientManager;