diff --git a/substrate/.github/workflows/check-labels.yml b/substrate/.github/workflows/check-labels.yml
index 062527d311..7180e7b509 100644
--- a/substrate/.github/workflows/check-labels.yml
+++ b/substrate/.github/workflows/check-labels.yml
@@ -12,6 +12,7 @@ jobs:
         with:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.ref }}
+          repository: ${{ github.event.pull_request.head.repo.full_name }}
       - name: Check labels
         run: bash ${{ github.workspace }}/.maintain/github/check_labels.sh
         env: