diff --git a/.appveyor.yml b/.appveyor.yml
index 6efb5007..1413437f 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -20,7 +20,7 @@ before_build:
   - git submodule update --init
   - mkdir build
   - cd build
-  - cmake .. -G "Visual Studio 16 2019 Win64"
+  - cmake .. -G "Visual Studio 16 2019" -A Win64
   - cmake --build . --target ALL_BUILD --config Release
 
 build_script: