diff --git a/.github/workflows/on-pull-request-commit.yml b/.github/workflows/on-pull-request-commit.yml
index 3be211a669..1a2a250375 100644
--- a/.github/workflows/on-pull-request-commit.yml
+++ b/.github/workflows/on-pull-request-commit.yml
@@ -16,6 +16,7 @@ jobs:
   check-pr-title:
     name: Check PR title
     runs-on: ubuntu-20.04
+    if: github.event_name == 'pull_request'
     steps:
       - name: Check PR title
         uses: Cardinal-Cryptography/github-actions/check-pr-title@v7