diff --git a/vdirsyncer/storage/dav.py b/vdirsyncer/storage/dav.py
index 7ed8c57..396bead 100644
--- a/vdirsyncer/storage/dav.py
+++ b/vdirsyncer/storage/dav.py
@@ -13,7 +13,7 @@ import itertools
 from lxml import etree
 
 from requests import session as requests_session
-from requests.exception import RequestException
+from requests.exceptions import RequestException
 
 from .base import Item, Storage
 from .http import USERAGENT, prepare_auth, prepare_verify