diff --git a/test/parallel/test-https-socket-options.js b/test/parallel/test-https-socket-options.js
index 2a6fc8f84f..2ba1b88368 100644
--- a/test/parallel/test-https-socket-options.js
+++ b/test/parallel/test-https-socket-options.js
@@ -25,13 +25,13 @@ const common = require('../common');
 if (!common.hasCrypto)
   common.skip('missing crypto');
 
+const fixtures = require('../common/fixtures');
 const https = require('https');
-const fs = require('fs');
 const http = require('http');
 
 const options = {
-  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')
 };
 
 const body = 'hello world\n';