diff --git a/lib/internal/worker.js b/lib/internal/worker.js
index f43a9610495ac0..c81e1a5cd72771 100644
--- a/lib/internal/worker.js
+++ b/lib/internal/worker.js
@@ -1,7 +1,7 @@
 'use strict';
 
 const EventEmitter = require('events');
-const assert = require('assert');
+const assert = require('internal/assert');
 const path = require('path');
 const util = require('util');
 const {