README.md: show appveyor status of master branch

diff --git a/README.md b/README.md
index 61d9987..27154bf 100644 (file)
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ aubio
 =====
 
 [![Travis build status](https://travis-ci.org/aubio/aubio.svg?branch=master)](https://travis-ci.org/aubio/aubio "Travis build status")
-[![Appveyor build status](https://ci.appveyor.com/api/projects/status/f3lhy3a57rkgn5yi?svg=true)](https://ci.appveyor.com/project/piem/aubio "Appveyor build status")
+[![Appveyor build status](https://img.shields.io/appveyor/ci/piem/aubio/master.svg)](https://ci.appveyor.com/project/piem/aubio "Appveyor build status")
 [![Landscape code health](https://landscape.io/github/aubio/aubio/master/landscape.svg?style=flat)](https://landscape.io/github/aubio/aubio/master "Landscape code health")
 [![Documentation Status](https://readthedocs.org/projects/aubio/badge/?version=latest)](http://aubio.readthedocs.io/en/latest/?badge=latest "Documentation status")
 [![Commits since last release](https://img.shields.io/github/commits-since/aubio/aubio/0.4.4.svg)](https://github.com/aubio/aubio "Commits since last release")