diff --git a/.github/workflows/cpp-check.yaml b/.github/workflows/cpp-check.yaml
index 49b1ed2c60231..e8b9167a55895 100644
--- a/.github/workflows/cpp-check.yaml
+++ b/.github/workflows/cpp-check.yaml
@@ -18,7 +18,7 @@ jobs:
       id: changed-files
       run: |
         git fetch origin ${{ github.base_ref }} --depth=1
-        git diff --name-only ${{ github.base_ref }} ${{ github.head_ref }} > changed_files.txt
+        git diff --name-only origin/${{ github.base_ref }} ${{ github.head_ref }} > changed_files.txt
         cat changed_files.txt
 
     - name: Run Cppcheck on changed files