diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 954acad..2241d01 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -85,8 +85,8 @@ jobs:
       - name: Create specific release for tags
         uses: "marvinpinto/action-automatic-releases@latest"
         if: ${{startsWith(github.event.ref, 'refs/tags/v')}}
-        prerelease: ${{ contains(github.event.ref, '-') }}
         with:
+          prerelease: ${{ contains(github.event.ref, '-') }}
           repo_token: "${{ secrets.GITHUB_TOKEN }}"
           files: |
             micropython/ports/esp32/build-tildagon/micropython.bin