diff --git a/.github/workflows/main_build.yml b/.github/workflows/main_build.yml
index de69ee6..ba8bc8f 100644
--- a/.github/workflows/main_build.yml
+++ b/.github/workflows/main_build.yml
@@ -26,6 +26,8 @@ jobs:
     - id: make_hosts_compress
       run: |
         $cl = (Get-ChildItem -Path "$Env:ProgramW6432\Microsoft Visual Studio\" -Recurse -Filter "cl.exe").FullName | Select-String ".*x64\\x64.*"
+        $dev = (Get-ChildItem -Path "$Env:ProgramW6432\Microsoft Visual Studio\" -Recurse -Filter "vsdevcmd.bat").FullName
         cd hostscompress || exit 255
+        & $dev
         & $cl[-1] /c /Ycpch.h /std:c++20 /W4 /EHsc pch.cpp
         if (-Not (Test-Path -Path pch.pch)) { Exit 253 }