X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/875efc3090b43807d41438a98f3e84ceafecab51..e852900e42eb0bde98daf7070d84816e44c3308e:/src/contact/mailing.py

diff --git a/src/contact/mailing.py b/src/contact/mailing.py
index 2d578e66d..4dee9c5a7 100644
--- a/src/contact/mailing.py
+++ b/src/contact/mailing.py
@@ -1,5 +1,6 @@
-# -*- coding: utf-8 -*-
-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 from hashlib import md5
 
 from django.conf import settings
@@ -8,7 +9,7 @@ from mailchimp3.mailchimpclient import MailChimpError
 
 
 def subscriber_hash(email):
-    return md5(email).hexdigest()
+    return md5(email.encode('utf-8')).hexdigest()
 
 
 def remove_from_groups(email, client):