diff --git a/appveyor.yml b/appveyor.yml
index 7e23fe1f..d3b04886 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,8 +1,14 @@
+environment:
+  matrix:
+  - build: msvc
+  - build: mingw
+
 configuration:
   - Debug
   - Release
 
 install:
+  - set build
   - ps: >
       Invoke-WebRequest -UserAgent wget
       -Uri http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win64/Personal%20Builds/mingw-builds/4.9.0/threads-win32/seh/x86_64-4.9.0-release-win32-seh-rt_v3-rev2.7z/download