diff --git a/3.0/modules/webdav/controllers/webdav.php b/3.0/modules/webdav/controllers/webdav.php
index 05f9ccda..da389d25 100644
--- a/3.0/modules/webdav/controllers/webdav.php
+++ b/3.0/modules/webdav/controllers/webdav.php
@@ -20,6 +20,7 @@
 require_once(MODPATH . "webdav/vendor/Sabre/autoload.php");
 
 class WebDAV_Controller extends Controller {
+  const ALLOW_PRIVATE_GALLERY = true;
   public function gallery() {
     $root = new Gallery3_DAV_Album("");
     $tree = new Gallery3_DAV_Tree($root);