diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index eb247d26..91d2a400 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -46,6 +46,7 @@ jobs:
         env:
           GIT_REDIRECT_STDERR: '2>&1'
           VCINSTALLDIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\'
+          BOOST_ROOT: ${{ steps.install-boost.outputs.BOOST_ROOT }}
         run: |
           $build_folder = "build"
           $krb_ver = git describe --tags --abbrev=0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8f798170..973f14ac 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -41,6 +41,7 @@ jobs:
         env:
           GIT_REDIRECT_STDERR: '2>&1'
           VCINSTALLDIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\'
+          BOOST_ROOT: ${{ steps.install-boost.outputs.BOOST_ROOT }}
         run: |
           $build_folder = "build"
           $krb_ver = "${{ github.ref }}" -replace '[refs/tags/]'