diff --git a/test/saucelabs.js b/test/saucelabs.js
index 3c1ce1846..0f2769611 100644
--- a/test/saucelabs.js
+++ b/test/saucelabs.js
@@ -183,7 +183,7 @@
     defaultOptions['public'] = 'public';
   }
   if (tunneled) {
-    defaultOptions.tunnel = 'tunnel-identifier:' + tunnelId;
+    defaultOptions['tunnel-identifier'] = tunnelId;
   }
 
   /*--------------------------------------------------------------------------*/