diff --git a/test/parallel/test-https-server-keep-alive-timeout.js b/test/parallel/test-https-server-keep-alive-timeout.js
index ae6b4312684..3c18d325c15 100644
--- a/test/parallel/test-https-server-keep-alive-timeout.js
+++ b/test/parallel/test-https-server-keep-alive-timeout.js
@@ -1,18 +1,19 @@
 'use strict';
 
 const common = require('../common');
+
 if (!common.hasCrypto)
   common.skip('missing crypto');
 
+const fixtures = require('../common/fixtures');
 const https = require('https');
 const tls = require('tls');
-const fs = require('fs');
 
 const tests = [];
 
 const serverOptions = {
-  key: fs.readFileSync(`${common.fixturesDir}/keys/agent1-key.pem`),
-  cert: fs.readFileSync(`${common.fixturesDir}/keys/agent1-cert.pem`)
+  key: fixtures.readKey('agent1-key.pem'),
+  cert: fixtures.readKey('agent1-cert.pem')
 };
 
 function test(fn) {