diff --git a/src/postorius/views/list.py b/src/postorius/views/list.py
index 47ddd84..0ed284c 100644
--- a/src/postorius/views/list.py
+++ b/src/postorius/views/list.py
@@ -358,7 +358,7 @@
                     messages.success(
                             request, _('The address %(address)s has been'
                                        ' unsubscribed from %(list)s.') %
-                            {'email': email,
+                            {'address': email,
                              'list': self.mailing_list.fqdn_listname})
                 except MailmanApiError:
                     return utils.render_api_error(request)