diff --git a/.github/workflows/wpf.yml b/.github/workflows/wpf.yml
index fa94454..b9a6fea 100644
--- a/.github/workflows/wpf.yml
+++ b/.github/workflows/wpf.yml
@@ -43,5 +43,5 @@ jobs:
       if: startsWith(github.ref, 'refs/tags/')
       uses: ./.github/actions/gh-release
       with:
-        project-dir: $env:Wpf_Project_Directory
+        project-dir: ${{ env.Wpf_Project_Directory }}
         token: ${{ secrets.GITHUB_TOKEN }}