diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 189a983..691d133 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,7 +22,8 @@ jobs:
       - name: Install poetry
         run: pip install poetry
       - uses: psf/black@stable
-        src: "./seppmail_converter"
+        with:
+          src: "./seppmail_converter"
       - uses: bjoluc/semantic-release-config-poetry@v2
         with:
           pypi_token: ${{ secrets.PYPI_TOKEN }}