diff --git a/include/menubar.inc.php b/include/menubar.inc.php
index 5729ac1df..e52b262b5 100644
--- a/include/menubar.inc.php
+++ b/include/menubar.inc.php
@@ -22,7 +22,12 @@ function initialize_menu()
   global $page, $conf, $user, $template, $filter;
 
   $menu = new BlockManager("menubar");
-  $menu->load_registered_blocks();
+
+  // if guest_access is disabled, we only display the menus if the user is identified
+  if ($conf['guest_access'] or !is_a_guest())
+  {
+    $menu->load_registered_blocks();
+  }
   $menu->prepare_display();
 
   if ( @$page['section']=='search' and isset($page['qsearch_details']) )