diff --git a/lib/workers/master.js b/lib/workers/master.js
index 65b4d550..9fae03f7 100644
--- a/lib/workers/master.js
+++ b/lib/workers/master.js
@@ -51,7 +51,7 @@ Master.prototype.init = function init() {
     this.parser.feed(data);
   });
 
-  this.parent.on('error', (data) => {
+  this.parent.on('error', (err) => {
     this.emit('error', err);
   });