diff --git a/tests/functional/functional-tests.js b/tests/functional/functional-tests.js
index 5c52d42b..21221a04 100644
--- a/tests/functional/functional-tests.js
+++ b/tests/functional/functional-tests.js
@@ -3771,7 +3771,7 @@ describe('functional tests', function () {
     const objContent = Buffer.alloc(100 * 1024, 0)
 
     const canRunAssumeRoleTest = clientConfigParams.endPoint.includes('localhost')
-    const stsEndPoint = 'http://localhost:9000'
+    const stsEndPoint = 'http://' + clientConfigParams.endPoint + ':' + clientConfigParams.port
 
     try {
       if (canRunAssumeRoleTest) {