diff --git a/README.md b/README.md
index 3315a1d4d..ef5482a53 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 ![ngx_pagespeed](https://lh6.googleusercontent.com/-qufedJIJq7Y/UXEvVYxyYvI/AAAAAAAADo8/JHDFQhs91_c/s401/04_ngx_pagespeed.png)
 
+[![Build Status](https://travis-ci.org/pagespeed/ngx_pagespeed.svg?branch=trunk-tracking)](https://travis-ci.org/pagespeed/mod_pagespeed)
+
 ngx_pagespeed speeds up your site and reduces page load time by automatically
 applying web performance best practices to pages and associated assets (CSS,
 JavaScript, images) without requiring you to modify your existing content or