diff --git a/htdocs/admin/mantis.php b/htdocs/mantis/admin/mantis.php
similarity index 99%
rename from htdocs/admin/mantis.php
rename to htdocs/mantis/admin/mantis.php
index 8891927c826..bb8aca3c1cc 100644
--- a/htdocs/admin/mantis.php
+++ b/htdocs/mantis/admin/mantis.php
@@ -29,7 +29,7 @@
  *   \version    $Revision$
  */
 
-require("../main.inc.php");
+require("../../main.inc.php");
 require_once(DOL_DOCUMENT_ROOT."/lib/admin.lib.php");
 require_once(DOL_DOCUMENT_ROOT.'/mantis/class/mantis.class.php');