diff --git a/scripts/karma/karma.conf.js b/scripts/karma/karma.conf.js
index ac5855f203..5a81f6a1ab 100644
--- a/scripts/karma/karma.conf.js
+++ b/scripts/karma/karma.conf.js
@@ -8,7 +8,7 @@ module.exports = function(config) {
     frameworks: ['jasmine'],
 
     files: buildConfig.scripts.concat([
-      'node_modules/angular2/bundles/test_lib.dev.js',
+      'node_modules/angular2/bundles/test_lib.js',
       'dist/tests/**/*.spec.js',
       'scripts/karma/test-main.js'
     ]),