define('S9Y_CONFIG_TEMPLATE', S9Y_INCLUDE_PATH . 'include/tpl/config_local.inc.php');
define('S9Y_CONFIG_USERTEMPLATE', S9Y_INCLUDE_PATH . 'include/tpl/config_personal.inc.php');
-define('IS_installed', file_exists('serendipity_config_local.inc.php') && (filesize('serendipity_config_local.inc.php') > 0));
+define('IS_installed', file_exists(dirname(__FILE__).'/serendipity_config_local.inc.php') && (filesize(dirname(__FILE__).'/serendipity_config_local.inc.php') > 0));
if (!defined('IN_serendipity')) {
define('IN_serendipity', true);