diff --git a/.github/workflows/cpp-checks.yml b/.github/workflows/cpp-checks.yml
index 369feed5..990b692b 100644
--- a/.github/workflows/cpp-checks.yml
+++ b/.github/workflows/cpp-checks.yml
@@ -26,7 +26,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           files-changed-only: false
-          lines-changed-only: ${{ github.event_name != 'workflow_dispatch' }}
+          lines-changed-only: ${{ github.event_name == 'pull_request' }}
           style: file
           tidy-checks: '-*'
           step-summary: true