diff --git a/lib/broccoli/angular2-app.js b/lib/broccoli/angular2-app.js
index e9a875497af3..b7e9ce041c29 100644
--- a/lib/broccoli/angular2-app.js
+++ b/lib/broccoli/angular2-app.js
@@ -333,7 +333,8 @@ class Angular2App extends BroccoliPlugin {
         '**/*.scss',
         '**/*.sass',
         '**/*.less',
-        '**/*.styl'
+        '**/*.styl',
+        '**/tsconfig.json'
       ],
       allowEmpty: true
     });