diff --git a/src/cli/cluster/cluster_manager.js b/src/cli/cluster/cluster_manager.js
index 5bce6a5832c66..1b1eb5ff89935 100644
--- a/src/cli/cluster/cluster_manager.js
+++ b/src/cli/cluster/cluster_manager.js
@@ -3,7 +3,7 @@ let { join } = require('path');
 let { debounce, compact, invoke, bindAll, once } = require('lodash');
 
 let Log = require('../Log');
-let Worker = require('./Worker');
+let Worker = require('./worker');
 
 module.exports = class ClusterManager {
   constructor(opts) {
diff --git a/src/cli/cluster/Worker.js b/src/cli/cluster/worker.js
similarity index 100%
rename from src/cli/cluster/Worker.js
rename to src/cli/cluster/worker.js