diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
index cb469e4..19fc243 100644
--- a/.github/workflows/black.yml
+++ b/.github/workflows/black.yml
@@ -20,4 +20,5 @@ jobs:
         pip install tox==4.11.3
     - name: Run Black
       run: |
+        tox -e black -- . --diff
         tox -e black -- . --check