Index: lib/grommunio/listfolders.php
--- lib/grommunio/listfolders.php.orig
+++ lib/grommunio/listfolders.php
@@ -42,7 +42,6 @@ function listfolders_configure() {
 	}
 
 	// include PHP-MAPI classes
-	define('UMAPI_PATH', '/usr/share/php-mapi');
 	require_once UMAPI_PATH . '/mapi.util.php';
 	require_once UMAPI_PATH . '/mapidefs.php';
 	require_once UMAPI_PATH . '/mapitags.php';
