diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe4d5a07..07e37dc5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,8 @@
 ## mm/dd/2021
 
 1. [](#bugfix)
-    * Fixed `You have been logged out` message when entering to 2FA authentication due to `/admin/task:getNotifications` AJAX call [#2109](https://github.com/getgrav/grav-plugin-admin/issues/2109)
+    * Fixed `You have been logged out` message when entering to 2FA authentication due to `/admin/task:getNotifications` AJAX call
+    * Fixed broken 2FA login when site is not configured to use Flex Users [#2109](https://github.com/getgrav/grav-plugin-admin/issues/2109)
 
 # v1.10.10
 ## 04/07/2021
diff --git a/classes/plugin/Controllers/Login/LoginController.php b/classes/plugin/Controllers/Login/LoginController.php
index 240a9337..0a36732a 100644
--- a/classes/plugin/Controllers/Login/LoginController.php
+++ b/classes/plugin/Controllers/Login/LoginController.php
@@ -10,6 +10,7 @@
 namespace Grav\Plugin\Admin\Controllers\Login;
 
 use Grav\Common\Debugger;
+use Grav\Common\Grav;
 use Grav\Common\Page\Pages;
 use Grav\Common\Uri;
 use Grav\Common\User\Interfaces\UserCollectionInterface;
@@ -298,7 +299,7 @@ class LoginController extends AdminController
         }
 
         // Successful 2FA, authorize user and redirect.
-        $user->authorized = true;
+        Grav::instance()['user']->authorized = true;
 
         Admin::DEBUG && Admin::addDebugMessage('Admin login: 2FA check succeeded, authorize user and redirect');