diff --git a/README.md b/README.md
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 <img src="https://www.numworks.com/resources/engineering/software/epsilon.svg" alt="NumWorks Epsilon logo" height="70" >
 
 [![Build Status](https://api.travis-ci.org/numworks/epsilon.svg?branch=master)](https://travis-ci.org/numworks/epsilon)
+[![Build Status](https://ci.appveyor.com/api/projects/status/github/numworks/epsilon?branch=master&svg=true)](https://ci.appveyor.com/project/Ecco/epsilon-n2hn8/branch/master)
 
 Epsilon is a high-performance graphing calculator operating system. It includes eight apps that cover the high school mathematics curriculum.