diff --git a/test/parallel/test-https-timeout.js b/test/parallel/test-https-timeout.js
index ad1fcb3ed232e4..e034adc39d2899 100644
--- a/test/parallel/test-https-timeout.js
+++ b/test/parallel/test-https-timeout.js
@@ -25,13 +25,12 @@ 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 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')
 };
 
 // a server that never replies