diff --git a/_define.php b/_define.php
index b5acf77..2db98e3 100644
--- a/_define.php
+++ b/_define.php
@@ -10,7 +10,7 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
+if (!defined('DC_RC_PATH') || is_null(dcCore::app()->auth)) {
     return null;
 }
 
@@ -22,14 +22,14 @@ $this->registerModule(
     [
         'requires'    => [['core', '2.24']],
         'permissions' => dcCore::app()->auth->makePermissions([
-            dcAuth::PERMISSION_USAGE,
-            dcAuth::PERMISSION_CONTENT_ADMIN,
+            dcCore::app()->auth::PERMISSION_USAGE,
+            dcCore::app()->auth::PERMISSION_CONTENT_ADMIN,
         ]),
-        'type'        => 'plugin',
-        'support'     => 'https://github.com/JcDenis/' . basename(__DIR__),
-        'details'     => 'https://plugins.dotaddict.org/dc2/details/' . basename(__DIR__),
-        'repository'  => 'https://raw.githubusercontent.com/JcDenis/' . basename(__DIR__) . '/master/dcstore.xml',
-        'settings'    => [
+        'type'       => 'plugin',
+        'support'    => 'https://github.com/JcDenis/' . basename(__DIR__),
+        'details'    => 'https://plugins.dotaddict.org/dc2/details/' . basename(__DIR__),
+        'repository' => 'https://raw.githubusercontent.com/JcDenis/' . basename(__DIR__) . '/master/dcstore.xml',
+        'settings'   => [
             'blog' => '#params.pwt_params',
         ],
     ]