diff --git a/Controller/NotesController.php b/Controller/NotesController.php
index c4d37f9..50c59ac 100644
--- a/Controller/NotesController.php
+++ b/Controller/NotesController.php
@@ -18,6 +18,12 @@ class NotesController
 
     public function showNotes() 
     {
+        # Redirect zum Login wenn kein User eingeloggt ist
+        if(!Isset($_SESSION['role'])) 
+        {
+            header("Location: ?controller=User&do=showUserLoginForm");
+        }
+    
         $sortBy = $_GET['sort_by'] ?? 'updated_at';
         $sortOrder = strtoupper($_GET['sort_order'] ?? 'DESC');
         $isAdmin = $_SESSION['role'] === 'admin';