diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dcd9a392..eb9f1b92 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -267,6 +267,11 @@ jobs:
             echo "PYTHON=${PYTHON_SOURCE_PATH}/PCbuild/${PYEXTERNALS_PATH}/python.exe" >> $GITHUB_ENV
             echo "GAM_ARCHIVE_ARCH=${GAM_ARCHIVE_ARCH}" >> $GITHUB_ENV
             echo "WIX_ARCH=${WIX_ARCH}" >> $GITHUB_ENV
+            if [[ "$arch" == "arm64" ]]; then
+              call "%ProgramFiles%\Microsoft Visual Studio\2022\Community\VC\Auxiliary\Build\vcvarsall.bat" arm64
+              echo "VSCMD_DEBUG=3" >> $GITHUB_ENV
+              echo "PATH=%PATH%;%VCINSTALLDIR%\Tools\Llvm\ARM64\bin" >> $GITHUB_ENV
+            fi
           fi
           echo "We'll run make with: ${MAKEOPT}"
           echo "staticx=${staticx}" >> $GITHUB_ENV