diff --git a/README.md b/README.md
index 0dc429ab..d73c2506 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 ![JSON for Modern C++](https://raw.githubusercontent.com/nlohmann/json/master/json.gif)
 
 [![Build Status](https://travis-ci.org/nlohmann/json.svg?branch=master)](https://travis-ci.org/nlohmann/json)
+[![Build Status](https://ci.appveyor.com/api/projects/status/1acb366xfyg3qybk?svg=true)](https://ci.appveyor.com/project/nlohmann/json)
 [![Coverage Status](https://img.shields.io/coveralls/nlohmann/json.svg)](https://coveralls.io/r/nlohmann/json)
 [![Try online](https://img.shields.io/badge/try-online-blue.svg)](http://melpon.org/wandbox/permlink/GnGKwji06WeVonlI)
 [![Documentation Status](https://img.shields.io/badge/documentation-doxygen-blue.svg)](http://nlohmann.github.io/json)
diff --git a/appveyor.yml b/appveyor.yml
index b9a07845..6aa58d84 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,4 +7,4 @@ build_script:
 - cmake . -G "Visual Studio 14 2015"
 - cmake --build . --config Release
 test_script:
-- Release\json_unit.exe
+- Release\json_unit.exe "*"