diff --git a/lib/cluster.js b/lib/cluster.js
index fbb8a75ec0..1f9536de29 100644
--- a/lib/cluster.js
+++ b/lib/cluster.js
@@ -474,7 +474,7 @@ function workerInit() {
       cluster.worker.state = 'listening';
       var address = obj.address();
       message.act = 'listening';
-      message.port = address && address.port || port,
+      message.port = address && address.port || port;
       send(message);
     });
   };