diff --git a/.appveyor.yml b/.appveyor.yml
index 829066c8..6dbea541 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -22,11 +22,9 @@ install:
   - mkdir build
   - cd build
 
-build_script: 
-  - if %platform%==x86 set generator=Visual Studio 16 2019
-  - if %platform%==x64 set generator=Visual Studio 16 2019 Win64
-  - echo %generator% %SHARED% %configuration%
-  - cmake .. -G"%generator%" -DBUILD_SHARED_LIBS=%SHARED% -DCMAKE_INSTALL_PREFIX=./output
+build_script:  
+  - echo Visual Studio 16 2019 %SHARED% %configuration%
+  - cmake .. -G"Visual Studio 16 2019" -DBUILD_SHARED_LIBS=%SHARED% -DARCHITECTURE="%platform%" -DCMAKE_INSTALL_PREFIX=./output
   - cmake --build . --target INSTALL --config %configuration%
   - 7z a vc140_%configuration%_%PLATFORM%_%POSTFIXNAME%.zip  -i!%APPVEYOR_BUILD_FOLDER%\build\output\*
   - appveyor PushArtifact vc140_%configuration%_%PLATFORM%_%POSTFIXNAME%.zip