diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b0a04938..2143d3910 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -231,6 +231,7 @@ jobs:
       - name: "Checkout PR branch and all PR commits"
         uses: actions/checkout@v4
         with:
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
           ref: ${{ github.event.pull_request.head.ref }}
           fetch-depth: ${{ env.PR_FETCH_DEPTH }}