diff --git a/.github/workflows/codingstyle.yml b/.github/workflows/codingstyle.yml
index 48f67b37..be6885cc 100644
--- a/.github/workflows/codingstyle.yml
+++ b/.github/workflows/codingstyle.yml
@@ -15,5 +15,5 @@ jobs:
         if: ${{ failure() && github.event_name == 'pull_request' }}
         uses: thollander/actions-comment-pull-request@master
         with:
-          message: ${{ cat tmp }}
+          message: '${{ cat tmp }}'
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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