diff --git a/app/classes/web/server_handler.py b/app/classes/web/server_handler.py
index d2b13ab7..5218049d 100644
--- a/app/classes/web/server_handler.py
+++ b/app/classes/web/server_handler.py
@@ -2,7 +2,7 @@ import json
 import logging
 import os
 import time
-from pathlib import PurePath
+from pathlib import PurePath, PurePosixPath
 import tornado.web
 import tornado.escape
 import bleach