diff --git a/README.md b/README.md
index 73f2785750..3dce17192f 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Build Status](https://secure.travis-ci.org/mongodb/node-mongodb-native.svg?branch=2.1)](http://travis-ci.org/mongodb/node-mongodb-native)
 [![Coverage Status](https://coveralls.io/repos/github/mongodb/node-mongodb-native/badge.svg?branch=2.1)](https://coveralls.io/github/mongodb/node-mongodb-native?branch=2.1)
-[![Gitter](https://badges.gitter.im/Join Chat.svg)](https://gitter.im/mongodb/node-mongodb-native?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
+[![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/mongodb/node-mongodb-native?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 # Description