diff --git a/zaqar/notification/notifier.py b/zaqar/notification/notifier.py
index 4c56ef8b7..a9ca4b940 100644
--- a/zaqar/notification/notifier.py
+++ b/zaqar/notification/notifier.py
@@ -83,8 +83,12 @@ class NotifierDriver(object):
                                   project=None, expires=None,
                                   api_version=None):
         # NOTE(flwang): If the confirmation feature isn't enabled, just do
-        # nothing.
-        if not self.require_confirmation:
+        # nothing. Here we're getting the require_confirmation from conf
+        # object instead of using self.require_confirmation, because the
+        # variable from self object really depends on the kwargs when
+        # initializing the NotifierDriver object. See bug 1655812 for more
+        # information.
+        if not conf.notification.require_confirmation:
             return
 
         key = conf.signed_url.secret_key
diff --git a/zaqar/tests/unit/notification/test_notifier.py b/zaqar/tests/unit/notification/test_notifier.py
index 07933ab37..d00b7ca04 100644
--- a/zaqar/tests/unit/notification/test_notifier.py
+++ b/zaqar/tests/unit/notification/test_notifier.py
@@ -264,6 +264,7 @@ class NotifierTest(testing.TestBase):
 
     @mock.patch('requests.post')
     def test_send_confirm_notification(self, mock_request):
+        self.conf.notification.require_confirmation = True
         subscription = {'id': '5760c9fb3990b42e8b7c20bd',
                         'subscriber': 'http://trigger_me',
                         'source': 'fake_queue',