diff --git a/woa/init.py b/woa/init.py
index 4cc48fe..daca2cf 100644
--- a/woa/init.py
+++ b/woa/init.py
@@ -7,6 +7,7 @@ import crypt
 from functools import partial
 from aiohttp import web, ClientSession, FormData, ClientTimeout
 from ahserver.configuredServer import add_cleanupctx
+from ahserver.filestorage import FileStorage
 from ahserver.serverenv import ServerEnv
 from appPublic.dictObject import DictObject
 from appPublic.log import debug, exception, error