diff --git a/test/test.js b/test/test.js
index 9a582239e..70de3a9bf 100644
--- a/test/test.js
+++ b/test/test.js
@@ -94,7 +94,7 @@
   var isStrict = ui.isStrict;
 
   /** Used to test Web Workers */
-  var Worker = !(ui.isForeign || isModularize) && document && root.Worker;
+  var Worker = !(ui.isForeign || ui.isSauceLabs || isModularize) && document && root.Worker;
 
   /** Used to test host objects in IE */
   try {