diff --git a/.github/workflows/codingstyle.yml b/.github/workflows/codingstyle.yml
index 8f64653f..30e21ca7 100644
--- a/.github/workflows/codingstyle.yml
+++ b/.github/workflows/codingstyle.yml
@@ -7,9 +7,15 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v1
+      - name: Install cpplint
+        run: pip install cpplint
+      - name: Check coding style
+        run: |
+          cpplint --recursive --quiet --verbose=3 . 2> tmp
 
       - name: Comment Pull Request
         uses: thollander/actions-comment-pull-request@1.0.1
+        if: ${{ failure() && github.event_name == 'pull_request' }}
         with:
-          message: 'Example of message !'
+          message: ${{ cat tmp }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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