diff --git a/main/lib/idds/agents/common/plugins/messaging.py b/main/lib/idds/agents/common/plugins/messaging.py
index 063167de..241bf67c 100644
--- a/main/lib/idds/agents/common/plugins/messaging.py
+++ b/main/lib/idds/agents/common/plugins/messaging.py
@@ -149,7 +149,7 @@ def connect_to_messaging_brokers(self, sender=True):
                 for broker, port in broker_addresses:
                     conn = stomp.Connection12(host_and_ports=[(broker, port)],
                                               keepalive=True,
-                                              heartbeats=(60000, 0),     # one minute
+                                              heartbeats=(30000, 0),     # one minute
                                               timeout=timeout)
                     conns.append(conn)
                 channel_conns[name] = conns