diff --git a/appveyor.yml b/appveyor.yml
index 9d704c7..82d2265 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,3 +1,10 @@
+environment:
+  matrix:
+    # VS 2015
+    - BUILD_TYPE: nmake
+      VS_VERSION: Visual Studio 14
+      APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+
 environment:
   global:
     TWINE_USERNAME: lejafar
diff --git a/travis/build-openctm-win.sh b/travis/build-openctm-win.sh
index 8075108..4ecc472 100644
--- a/travis/build-openctm-win.sh
+++ b/travis/build-openctm-win.sh
@@ -1,6 +1,6 @@
 # ./build-openctm-win.sh
 
 git clone https://github.com/Danny02/OpenCTM.git openctm_tmp
-mingw32-make -f Makefile.mingw
+nmake /f Makefile.msvc
 mkdir openctm/libs
 mv openctm_tmp/lib/libopenctm.dll openctm/libs