diff --git a/.github/workflows/cpp-check.yaml b/.github/workflows/cpp-check.yaml
index e8b9167a55895..0edbfd9fc5e74 100644
--- a/.github/workflows/cpp-check.yaml
+++ b/.github/workflows/cpp-check.yaml
@@ -17,6 +17,7 @@ jobs:
     - name: Get changed files
       id: changed-files
       run: |
+        git rev-list --count origin/main..$(git branch --show-current)
         git fetch origin ${{ github.base_ref }} --depth=1
         git diff --name-only origin/${{ github.base_ref }} ${{ github.head_ref }} > changed_files.txt
         cat changed_files.txt