diff --git a/.github/workflows/editorial_governance.yml b/.github/workflows/editorial_governance.yml
index b452329..c637862 100644
--- a/.github/workflows/editorial_governance.yml
+++ b/.github/workflows/editorial_governance.yml
@@ -55,7 +55,7 @@ jobs:
           name: ratchet-proposal
           path: ratchet_proposal.json
       - name: Post ratchet proposal PR comment
-        if: github.event_name == 'pull_request'
+        if: github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository
         uses: actions/github-script@v7
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}