diff --git a/lib/meteor.js b/lib/meteor.js
index 3b664d9cb7..71a6e84009 100644
--- a/lib/meteor.js
+++ b/lib/meteor.js
@@ -213,7 +213,7 @@ Fiber(function () {
         versionOverride: releaseVersion,
         noMinify: true
       };
-      app_dir = path.join(__dirname, 'test-runner-app');
+      var app_dir = path.join(__dirname, 'test-runner-app');
 
       if (new_argv.deploy) {
         var deployOptions = {