diff --git a/htdocs/modulebuilder/template/scripts/myobject.php b/htdocs/modulebuilder/template/scripts/myobject.php
index a8c280193ea..c2be67451cb 100755
--- a/htdocs/modulebuilder/template/scripts/myobject.php
+++ b/htdocs/modulebuilder/template/scripts/myobject.php
@@ -42,12 +42,17 @@ $error=0;
 @set_time_limit(0);							// No timeout for this script
 define('EVEN_IF_ONLY_LOGIN_ALLOWED',1);		// Set this define to 0 if you want to lock your script when dolibarr setup is "locked to admin user only".
 
-// Include and load Dolibarr environment variables
+// Load Dolibarr environment
 $res=0;
-if (! $res && file_exists($path."master.inc.php")) $res=@include($path."master.inc.php");
-if (! $res && file_exists($path."../master.inc.php")) $res=@include($path."../master.inc.php");
-if (! $res && file_exists($path."../../master.inc.php")) $res=@include($path."../../master.inc.php");
-if (! $res && file_exists($path."../../../master.inc.php")) $res=@include($path."../../../master.inc.php");
+// Try master.inc.php into web root detected using web root caluclated from SCRIPT_FILENAME
+$tmp=empty($_SERVER['SCRIPT_FILENAME'])?'':$_SERVER['SCRIPT_FILENAME'];$tmp2=realpath(__FILE__); $i=strlen($tmp)-1; $j=strlen($tmp2)-1;
+while($i > 0 && $j > 0 && isset($tmp[$i]) && isset($tmp2[$j]) && $tmp[$i]==$tmp2[$j]) { $i--; $j--; }
+if (! $res && $i > 0 && file_exists(substr($tmp, 0, ($i+1))."/master.inc.php")) $res=@include(substr($tmp, 0, ($i+1))."/master.inc.php");
+if (! $res && $i > 0 && file_exists(dirname(substr($tmp, 0, ($i+1)))."/master.inc.php")) $res=@include(dirname(substr($tmp, 0, ($i+1)))."/master.inc.php");
+// Try master.inc.php using relative path
+if (! $res && file_exists("../master.inc.php")) $res=@include("../master.inc.php");
+if (! $res && file_exists("../../master.inc.php")) $res=@include("../../master.inc.php");
+if (! $res && file_exists("../../../master.inc.php")) $res=@include("../../../master.inc.php");
 if (! $res) die("Include of master fails");
 // After this $db, $mysoc, $langs, $conf and $hookmanager are defined (Opened $db handler to database will be closed at end of file).
 // $user is created but empty.