diff --git a/.github/workflows/quick-check.yml b/.github/workflows/quick-check.yml
index c86ffeb06a..64da8c47b8 100644
--- a/.github/workflows/quick-check.yml
+++ b/.github/workflows/quick-check.yml
@@ -46,6 +46,7 @@ jobs:
           REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
               cd gwt
+              git diff ${{github.event.pull_request.base.sha}}
               for xml in $(find build/out | grep checkstyle); do
                 reviewdog -f=checkstyle -reporter=local -level=info -diff="git diff ${{github.event.pull_request.base.sha}}"< $xml
                 reviewdog -f=checkstyle -reporter=github-pr-review -level=info < $xml