diff --git a/README.md b/README.md
index d71ba2c..bdefc3b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # gitbook-cli
 
 [![NPM version](https://badge.fury.io/js/gitbook-cli.svg)](http://badge.fury.io/js/gitbook-cli)
-[![Linux Build Status](https://travis-ci.org/GitbookIO/gitbook-cli.png?branch=master)](https://travis-ci.org/GitbookIO/gitbook-cli)
+[![Linux Build Status](https://travis-ci.org/GitbookIO/gitbook-cli.svg?branch=master)](https://travis-ci.org/GitbookIO/gitbook-cli)
 [![Windows Build status](https://ci.appveyor.com/api/projects/status/gddbj0602joc4wah?svg=true)](https://ci.appveyor.com/project/GitBook/gitbook-cli)
 
 > The GitBook command line interface.