diff --git a/.appveyor.yml b/.appveyor.yml
index 3d985e94a..2cd6cf760 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -19,15 +19,16 @@ environment:
 install:
   - call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
 #  - conda config --set auto_update_conda false
-  - conda install -c conda-forge --yes --quiet flang=11.0.1 jom
-  - call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
+  - conda install -c conda-forge --yes --quiet flang flang-rt_win-64 cmake ninja
+  - call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsall.bat" amd64
   - set "LIB=%CONDA_INSTALL_LOCN%\Library\lib;%LIB%"
   - set "CPATH=%CONDA_INSTALL_LOCN%\Library\include;%CPATH%"
 
 before_build:
   - ps: if (-Not (Test-Path .\build)) { mkdir build }
   - cd build
-  - cmake -G "NMake Makefiles JOM" -DCMAKE_Fortran_COMPILER=flang -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=ON ..
+  - cmake -G "Ninja" -DCMAKE_Fortran_COMPILER=flang -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=ON ..
+#  - cmake -G "NMake Makefiles JOM" -DCMAKE_Fortran_COMPILER=flang -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=ON ..
 
 build_script:
   - cmake --build .