diff --git a/README.md b/README.md
index 4f0d5dc..f1550bd 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-node-curl [![Build Status](https://secure.travis-ci.org/jiangmiao/node-curl.png?branch=master)](http://travis-ci.org/jiangmiao/node-curl)
+node-curl [![Build Status](https://secure.travis-ci.org/jiangmiao/node-curl.svg?branch=master)](http://travis-ci.org/jiangmiao/node-curl)
 =========
 
 node cURL wrapper, support all options and infos.