diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0bd37a71c..01be6af83 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -22,4 +22,7 @@ jobs:
         uses: actionsx/prettier@e90ec5455552f0f640781bdd5f5d2415acb52f1a
         with:
           # prettier CLI arguments.
-          args: --check .
+          args: --write .
+      - name: Show diff
+        run: git --no-pager diff --exit-code --color=never
+        shell: bash