diff --git a/README.md b/README.md
index 4b58cb7..4e7449f 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[<p align="center"><img width="500" src="https://raw.githubusercontent.com/pantor/inja/master/doc/logo.jpg"></p>](https://github.com/pantor/inja/releases)
+[<div align="center"><img width="500" src="https://raw.githubusercontent.com/pantor/inja/master/doc/logo.jpg"></div>](https://github.com/pantor/inja/releases)
 
 
 
diff --git a/appvoyer.yml b/appvoyer.yml
new file mode 100644
index 0000000..1336989
--- /dev/null
+++ b/appvoyer.yml
@@ -0,0 +1,27 @@
+version: '{build}'
+
+os:
+  - Visual Studio 2015
+  - Visual Studio 2017
+
+environment:
+  matrix:
+  - additional_flags: ""
+  - additional_flags: "/permissive- /std:c++latest /utf-8"
+
+matrix:
+  exclude:
+    - additional_flags: "/permissive- /std:c++latest /utf-8"
+      os: Visual Studio 2015
+
+init: []
+
+install: []
+
+build_script:
+  - IF "%APPVEYOR_BUILD_WORKER_IMAGE%" == "Visual Studio 2015" ( SET GEN="Visual Studio 14 2015") ELSE (SET GEN="Visual Studio 15 2017")
+  - cmake . -G%GEN% -DCMAKE_CXX_FLAGS="%additional_flags%"
+  - cmake --build . --config Release
+
+test_script:
+  - ctest -C Release -V