diff --git a/README.md b/README.md
index 6db81fa..aaf3296 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # js-md5
-[![Build Status](https://api.travis-ci.org/emn178/js-md5.png)](https://travis-ci.org/emn178/js-md5)
+[![Build Status](https://api.travis-ci.org/emn178/js-md5.png?branch=master)](https://travis-ci.org/emn178/js-md5)
 [![Build Status](https://coveralls.io/repos/emn178/js-md5/badge.png?branch=master)](https://coveralls.io/r/emn178/js-md5?branch=master)  
 [![NPM](https://nodei.co/npm/js-md5.png?stars&downloads)](https://nodei.co/npm/js-md5/)  
 A simple MD5 hash function for JavaScript supports UTF-8 encoding.