diff --git a/copyparty/authsrv.py b/copyparty/authsrv.py
index f248e0df..0bd70958 100644
--- a/copyparty/authsrv.py
+++ b/copyparty/authsrv.py
@@ -22,6 +22,7 @@ from .util import (
     DEF_MTH,
     EXTS,
     FAVICON_MIMES,
+    FN_EMB,
     HAVE_SQLITE3,
     IMPLICATIONS,
     META_NOBOTS,