diff --git a/test/parallel/test-https-unix-socket-self-signed.js b/test/parallel/test-https-unix-socket-self-signed.js
index 6653cdd5f8de08..6e7cf827472a88 100644
--- a/test/parallel/test-https-unix-socket-self-signed.js
+++ b/test/parallel/test-https-unix-socket-self-signed.js
@@ -6,11 +6,11 @@ if (!common.hasCrypto)
 
 common.refreshTmpDir();
 
-const fs = require('fs');
+const fixtures = require('../common/fixtures');
 const https = require('https');
 const options = {
-  cert: fs.readFileSync(`${common.fixturesDir}/test_cert.pem`),
-  key: fs.readFileSync(`${common.fixturesDir}/test_key.pem`)
+  cert: fixtures.readSync('test_cert.pem'),
+  key: fixtures.readSync('test_key.pem')
 };
 
 const server = https.createServer(options, common.mustCall((req, res) => {