diff --git a/README.md b/README.md
index ec9dec1..e90dabb 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ toml11
 ======
 
 [![Build Status](https://travis-ci.org/ToruNiina/toml11.svg?branch=master)](https://travis-ci.org/ToruNiina/toml11)
+[![Build status](https://ci.appveyor.com/api/projects/status/m2n08a926asvg5mg?svg=true)](https://ci.appveyor.com/project/ToruNiina/toml11)
 [![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)](LICENSE)
 
 c++11 header-only toml parser depending only on c++11 standard library.