Index: trunk/core/kernel/startup.php
===================================================================
diff -u -r1976 -r2114
--- trunk/core/kernel/startup.php	(.../startup.php)	(revision 1976)
+++ trunk/core/kernel/startup.php	(.../startup.php)	(revision 2114)
@@ -12,7 +12,7 @@
 	$_SERVER['DOCUMENT_ROOT'] = str_replace('\\', '/', str_replace($_SERVER['PATH_INFO'], '', FULL_PATH));
 }
 
-define('DOC_ROOT', rtrim($_SERVER['DOCUMENT_ROOT'], '/'));
+define('DOC_ROOT', rtrim(realpath($_SERVER['DOCUMENT_ROOT']), '/'));
 
 include_once(KERNEL_PATH.'/globals.php');	// non OOP functions used through kernel, e.g. print_pre