diff --git a/warden3/warden_client/warden_client.py b/warden3/warden_client/warden_client.py
index 4eb3d5c93e3e3a5f400742241bf9db5cbc9afe16..6861d1025a9581dce5173a82454fe1d0e0543c34 100644
--- a/warden3/warden_client/warden_client.py
+++ b/warden3/warden_client/warden_client.py
@@ -4,6 +4,7 @@
 # Copyright (C) 2011-2015 Cesnet z.s.p.o
 # Use of this source is governed by a 3-clause BSD-style license, see LICENSE file.
 
+import hashlib  # Some Python/ssl versions incorrectly initialize hashes, this helps
 import json, httplib, ssl, socket, logging, logging.handlers, time
 from urlparse import urlparse
 from urllib import urlencode