diff --git a/lib/Controller/API/Commons/Validators/LoginValidator.php b/lib/Controller/API/Commons/Validators/LoginValidator.php
index 3c3a4e4890..fa3394a28a 100644
--- a/lib/Controller/API/Commons/Validators/LoginValidator.php
+++ b/lib/Controller/API/Commons/Validators/LoginValidator.php
@@ -18,7 +18,7 @@ class LoginValidator extends Base {
     /**
      * @var KleinController
      */
-    protected $controller;
+    protected KleinController $controller;
 
     public function __construct( KleinController $controller ) {
 
@@ -28,8 +28,8 @@ public function __construct( KleinController $controller ) {
     }
 
     public function _validate() {
-//        if( !$this->controller->isLoggedIn() ){
-//            throw new AuthenticationError( "Invalid Login.", 401 );
-//        }
+        if( !$this->controller->isLoggedIn() ){
+            throw new AuthenticationError( "Invalid Login.", 401 );
+        }
     }
 }
\ No newline at end of file