diff --git a/readme.txt b/README.md
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 [![Travis Build Status](https://api.travis-ci.org/bulletphysics/bullet3.png?branch=master)](https://travis-ci.org/bulletphysics/bullet3)
+[![Appveyor Build status](https://ci.appveyor.com/api/projects/status/6sly9uxajr6xsstq)](https://ci.appveyor.com/project/erwincoumans/bullet3)
 
 Bullet 3.x GPU rigid body pipeline using OpenCL.