Index: trunk/kernel/startup.php
===================================================================
diff -u -r2882 -r2919
--- trunk/kernel/startup.php	(.../startup.php)	(revision 2882)
+++ trunk/kernel/startup.php	(.../startup.php)	(revision 2919)
@@ -17,7 +17,7 @@
 		// KENEL4 INIT: BEGIN
 		if($FrontEnd != 1 && !defined('ADMIN') ) define('ADMIN', 1);
 		
-		define('APPLICATION_CLASS', 'MyApplication');
+		if( !defined('APPLICATION_CLASS') ) define('APPLICATION_CLASS', 'MyApplication');
 		include_once(FULL_PATH.'/kernel/kernel4/startup.php');
 		
 		// just to make sure that this is correctly detected