diff --git a/README.md b/README.md
index aba58b1d..f85928c5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # auvlib
 
 [![Build Status](https://travis-ci.org/nilsbore/auvlib.svg?branch=master)](https://travis-ci.org/nilsbore/auvlib)
+[![Build status](https://ci.appveyor.com/api/projects/status/kcfxp0jlpwqxt2fs/branch/master?svg=true)](https://ci.appveyor.com/project/nilsbore/auvlib/branch/master)
 [![license](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
 
 Tools for reading AUV deployment data files and for