diff --git a/test/other/test_serialize.php b/test/other/test_serialize.php
index 2fdfffaef3e..74d1d40e025 100644
--- a/test/other/test_serialize.php
+++ b/test/other/test_serialize.php
@@ -3,7 +3,10 @@
 
 $path = __DIR__ . '/';
 
+
 $res=@include_once $path.'/../htdocs/master.inc.php';
+$res=@include_once $path.'/../../htdocs/master.inc.php';
+if (! $res) @include_once '../../master.inc.php';
 if (! $res) @include_once '../master.inc.php';
 if (! $res) @include_once './master.inc.php';
 include_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';