diff --git a/test/parallel/test-fs-read-file-assert-encoding.js b/test/parallel/test-fs-read-file-assert-encoding.js
index 897bcd3bc98795..ac0f45f98b30d4 100644
--- a/test/parallel/test-fs-read-file-assert-encoding.js
+++ b/test/parallel/test-fs-read-file-assert-encoding.js
@@ -1,6 +1,6 @@
 'use strict';
-require('../common');
 
+const common = require('../common');
 const assert = require('assert');
 const fs = require('fs');
 
@@ -8,6 +8,6 @@ const encoding = 'foo-8';
 const filename = 'bar.txt';
 
 assert.throws(
-  fs.readFile.bind(fs, filename, { encoding }, () => {}),
-  new RegExp(`Error: Unknown encoding: ${encoding}$`)
+  fs.readFile.bind(fs, filename, { encoding }, common.mustNotCall()),
+  new RegExp(`^Error: Unknown encoding: ${encoding}$`)
 );