diff --git a/lib/cluster.js b/lib/cluster.js
index 359fc813d92..cc2f98cd5b6 100644
--- a/lib/cluster.js
+++ b/lib/cluster.js
@@ -100,7 +100,7 @@ function handleWorkerMessage(worker, message) {
 
   switch (message.cmd) {
     case 'online':
-      console.log("Worker " + worker.pid + " online");
+      debug("Worker " + worker.pid + " online");
       worker.online = true;
       break;