diff --git a/upload/admin/controller/error/permission.php b/upload/admin/controller/error/permission.php
index 380fe8a07c4..aded32d82b7 100644
--- a/upload/admin/controller/error/permission.php
+++ b/upload/admin/controller/error/permission.php
@@ -28,6 +28,8 @@ public function index(): void {
 			'href' => $this->url->link($this->request->get['route'], 'user_token=' . $this->session->data['user_token'])
 		];
 
+		$this->response->addheader($this->request->server['SERVER_PROTOCOL'] . ' 401 Unauthorized');
+			
 		$data['header'] = $this->load->controller('common/header');
 		$data['column_left'] = $this->load->controller('common/column_left');
 		$data['footer'] = $this->load->controller('common/footer');