diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index 06b3e9ad0..cac89eeae 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -18,6 +18,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
     - uses: bufbuild/buf-setup-action@v1
     # Run all Lint runs
     - uses: bufbuild/buf-lint-action@v1