diff --git a/.github/workflows/pr-health.yml b/.github/workflows/pr-health.yml
index 1b266e05c..ad41fddcb 100644
--- a/.github/workflows/pr-health.yml
+++ b/.github/workflows/pr-health.yml
@@ -144,6 +144,10 @@ jobs:
       GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       REPO: ${{ github.repository }}
     steps:
+      - uses: actions/checkout@v6
+        with:
+          ref: ${{ github.event.pull_request.base.sha }}
+
       - name: Ensure maintenance labels exist
         run: |
           set -euo pipefail
@@ -189,7 +193,7 @@ jobs:
               --json isDraft,labels,mergeStateStatus,statusCheckRollup)"
 
             merge_state="$(jq -r '.mergeStateStatus // "UNKNOWN"' <<<"$data")"
-            check_state="$(python3 .github/scripts/pr-health-labels.py --state-json "$data")"
+            check_state="$(python3 .github/scripts/pr-health-labels.py --state-json "$data")"
             is_draft="$(jq -r '.isDraft' <<<"$data")"
 
             if [[ "$merge_state" == "BEHIND" ]]; then