diff --git a/appveyor.yml b/appveyor.yml
index 5dddf7dd..72c46d8a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,15 +1,19 @@
 version: 2.1.0.{build}
 
+image:
+- Visual Studio 2015
 environment:
+  global:
+    BOOST_ROOT: C:\Libraries\boost_1_60_0
   matrix:
     - cpp11: -DMSGPACK_CXX11=OFF
-      boost: -DMSGPACK_BOOST=ON
+      boost: -DMSGPACK_BOOST=OFF
       msvc: '"Visual Studio 10 2010"'
     - cpp11: -DMSGPACK_CXX11=OFF
-      boost: -DMSGPACK_BOOST=ON
+      boost: -DMSGPACK_BOOST=OFF
       msvc: '"Visual Studio 11 2012"'
     - cpp11: -DMSGPACK_CXX11=OFF
-      boost: -DMSGPACK_BOOST=ON
+      boost: -DMSGPACK_BOOST=OFF
       msvc: '"Visual Studio 12 2013"'
     - cpp11: -DMSGPACK_CXX11=ON
       boost: -DMSGPACK_BOOST=ON
@@ -46,7 +50,7 @@ build_script:
 - cd ..
 - md build
 - cd build
-- cmake -G %msvc% %cpp11% %boost% %x3_parse%  -DMSGPACK_BOOST_DIR=C:\Libraries\\boost_1_60_0 -DGTEST_LIBRARY=%APPVEYOR_BUILD_FOLDER%\googletest-release-1.7.0\build\Release\gtest.lib -DGTEST_MAIN_LIBRARY=%APPVEYOR_BUILD_FOLDER%\googletest-release-1.7.0\build\Release\gtest_main.lib -DGTEST_INCLUDE_DIR=%APPVEYOR_BUILD_FOLDER%\googletest-release-1.7.0\include -DZLIB_LIBRARY=%APPVEYOR_BUILD_FOLDER%\zlib-1.2.11\build\Release\zlib.lib -DZLIB_INCLUDE_DIR=%APPVEYOR_BUILD_FOLDER%\zlib-1.2.11 -DCMAKE_CXX_FLAGS='"/D_VARIADIC_MAX=10 /EHsc"' ..
+- cmake -G %msvc% %cpp11% %boost% %x3_parse% -DGTEST_LIBRARY=%APPVEYOR_BUILD_FOLDER%\googletest-release-1.7.0\build\Release\gtest.lib -DGTEST_MAIN_LIBRARY=%APPVEYOR_BUILD_FOLDER%\googletest-release-1.7.0\build\Release\gtest_main.lib -DGTEST_INCLUDE_DIR=%APPVEYOR_BUILD_FOLDER%\googletest-release-1.7.0\include -DZLIB_LIBRARY=%APPVEYOR_BUILD_FOLDER%\zlib-1.2.11\build\Release\zlib.lib -DZLIB_INCLUDE_DIR=%APPVEYOR_BUILD_FOLDER%\zlib-1.2.11 -DCMAKE_CXX_FLAGS='"/D_VARIADIC_MAX=10 /EHsc"' ..
 - cmake --build . --config Release
 
 test_script: