diff --git a/src/postorius/tests/mailman_api_tests/test_subscriptions.py b/src/postorius/tests/mailman_api_tests/test_subscriptions.py
index e687cba..c3e14b8 100644
--- a/src/postorius/tests/mailman_api_tests/test_subscriptions.py
+++ b/src/postorius/tests/mailman_api_tests/test_subscriptions.py
@@ -162,9 +162,9 @@
                         test-3@example.org (Third Person)\n
                         test-4@example.org\n
                         <test-5@example.org>\n"""
-        response = self.client.post(
-            reverse('mass_subscribe', args=('open_list.example.com',)),
-            {'emails': email_list})
+        self.client.post(reverse('mass_subscribe',
+                                 args=('open_list.example.com',)),
+                         {'emails': email_list})
         self.assertEqual(len(self.open_list.members), 5)
         first = self.open_list.get_member('test-1@example.org')
         second = self.open_list.get_member('test-2@example.org')