diff --git a/awx/plugins/callback/job_event_callback.py b/awx/plugins/callback/job_event_callback.py
index 00820dfe95..555e80181a 100644
--- a/awx/plugins/callback/job_event_callback.py
+++ b/awx/plugins/callback/job_event_callback.py
@@ -111,7 +111,7 @@ class CallbackModule(object):
     def _start_connection(self):
         self.context = zmq.Context()
         self.socket = self.context.socket(zmq.REQ)
-        self.socket.connect(str(self.callback_consumer_port))
+        self.socket.connect(self.callback_consumer_port)
 
     def _post_job_event_queue_msg(self, event, event_data):
         self.counter += 1
diff --git a/awx/settings/defaults.py b/awx/settings/defaults.py
index ffd109faf2..6992983639 100644
--- a/awx/settings/defaults.py
+++ b/awx/settings/defaults.py
@@ -493,7 +493,7 @@ else:
     INTERNAL_API_URL = 'http://127.0.0.1:8000'
 
 # ZeroMQ callback settings.
-CALLBACK_CONSUMER_PORT = 5556
+CALLBACK_CONSUMER_PORT = "tcp://127.0.0.1:5556"
 CALLBACK_QUEUE_PORT = "ipc:///tmp/callback_receiver.ipc"
 
 TASK_COMMAND_PORT = 6559