diff --git a/.github/workflows/cpplint_modified_files.yml b/.github/workflows/cpplint_modified_files.yml
index 1524d65dc..621fc8294 100644
--- a/.github/workflows/cpplint_modified_files.yml
+++ b/.github/workflows/cpplint_modified_files.yml
@@ -17,7 +17,7 @@ jobs:
       - run: git remote -v
       - run: git branch
       #- run: git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
-      - run: git diff origin/master --name-only > git_diff.txt
+      - run: git diff master... --name-only > git_diff.txt
       - name: cpplint_modified_files
         shell: python
         run: |