diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 32d2e455ea3be..3938b8fef6907 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -87,6 +87,8 @@ jobs:
       XERCESC_LIBDIR: ${{ github.workspace }}/vcpkg/installed/${{ matrix.vcpkgarch }}/${{ matrix.vcpkglibdir }}
       SSL_INCDIR: ${{ github.workspace }}/vcpkg/installed/${{ matrix.vcpkgarch }}/include
       SSL_LIBDIR: ${{ github.workspace }}/vcpkg/installed/${{ matrix.vcpkgarch }}/${{ matrix.vcpkglibdir }}
+      VCPKG_DEFAULT_TRIPLET: ${{ matrix.vcpkgarch }}
+      VCPKG_INSTALLED_DIR: ${{ github.workspace }}/vcpkg_installed
     steps:
     - name: checkout ACE/TAO
       uses: actions/checkout@v2