diff --git a/appveyor.yml b/appveyor.yml
index 47e31e5..b1b3874 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -13,7 +13,7 @@ before_build:
 - cmd: vpatch.exe --stamp-version "%APPVEYOR_BUILD_VERSION%" --target-file ".\sys\ViGEmBus.vcxproj" --vcxproj.inf-time-stamp
 - cmd: vpatch.exe --stamp-version "%APPVEYOR_BUILD_VERSION%" --target-file ".\sys\ViGEmBus.rc" --resource.file-version --resource.product-version
 build_script:
-- ps: .\build.ps1
+- cmd: .\build.cmd
 after_build:
 - cmd: makecab.exe /f ViGEmBus_%PLATFORM%.ddf
 artifacts: