diff --git a/elastic_recheck/bot.py b/elastic_recheck/bot.py
index a9a9211b..5470fc1b 100755
--- a/elastic_recheck/bot.py
+++ b/elastic_recheck/bot.py
@@ -218,7 +218,8 @@ class RecheckWatch(threading.Thread):
 
 class MessageConfig(dict):
     def __init__(self, data):
-        self.__dict__.update(data['messages'])
+        super(MessageConfig, self).__init__()
+        self.update(data['messages'])
 
 
 class ChannelConfig(object):
diff --git a/elastic_recheck/tests/unit/test_bot.py b/elastic_recheck/tests/unit/test_bot.py
index 3d4b534a..b55d1b5d 100644
--- a/elastic_recheck/tests/unit/test_bot.py
+++ b/elastic_recheck/tests/unit/test_bot.py
@@ -135,3 +135,8 @@ class TestBotWithTestTools(tests.TestCase):
                     job.bugs = ['123456']
             self.assertTrue(self.recheck_watch.display('channel', event))
             self.recheck_watch.error_found('channel', event)
+
+    def test_message_config(self):
+        data = {'messages': {'test': 'message'}}
+        config = bot.MessageConfig(data)
+        self.assertEqual(config['test'], data['messages']['test'])