diff --git a/test/saucelabs.js b/test/saucelabs.js
index 3df2d9420..a070febec 100644
--- a/test/saucelabs.js
+++ b/test/saucelabs.js
@@ -188,7 +188,7 @@ if (publicAccess === true) {
   defaultOptions['public'] = 'public';
 }
 if (tunneled) {
-  defaultOptions.tunnel = 'tunnel-identifier:' + tunnelId;
+  defaultOptions['tunnel-identifier'] = tunnelId;
 }
 
 /*----------------------------------------------------------------------------*/