diff --git a/.github/workflows/scient-upstream-monitor.yml b/.github/workflows/scient-upstream-monitor.yml
index b52631a1..52ce380e 100644
--- a/.github/workflows/scient-upstream-monitor.yml
+++ b/.github/workflows/scient-upstream-monitor.yml
@@ -24,6 +24,7 @@ jobs:
       - name: Compare official source with reviewed checkpoint
         env:
           GH_TOKEN: ${{ github.token }}
+          GH_REPO: ${{ github.repository }}
         shell: bash
         run: |
           set -euo pipefail