diff --git a/lib/run.js b/lib/run.js
index 93a8e03..da3b72d 100644
--- a/lib/run.js
+++ b/lib/run.js
@@ -9,7 +9,7 @@ module.exports = function (files) {
 };
 
 function run (next, file) {
-    test.browser = file;
+    test.browser = 'node/jsdom';
     test.harness.once('end', function () {
         process.nextTick(next.ok)
     });