diff --git a/README.md b/README.md
index a1ef8a215..63028814b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Travis-CI build (Linux, OS X)](https://travis-ci.org/heimdal/heimdal.svg?branch=master)](https://travis-ci.org/heimdal/heimdal#)
 [![Appveyor-CI build (Windows)](https://ci.appveyor.com/api/projects/status/6j0k0m7kd6jjj4tw/branch/master?svg=true)](https://ci.appveyor.com/project/heimdal/heimdal/branch/master)
-[![Coverage Status](https://coveralls.io/repos/github/heimdal/heimdal/badge.svg)](https://coveralls.io/github/heimdal/heimdal)
+[![Coverage Status](https://coveralls.io/repos/github/heimdal/heimdal/badge.svg?branch=master)](https://coveralls.io/github/heimdal/heimdal?branch=master)
 
 Heimdal
 =======