diff --git a/.github/workflows/retest.yaml b/.github/workflows/retest.yaml
index 6e0b4d9..019e6a1 100644
--- a/.github/workflows/retest.yaml
+++ b/.github/workflows/retest.yaml
@@ -26,6 +26,7 @@ jobs:
       - name: Trigger CI
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_REPO: ${{ github.repository }}
         run: |
           PR_NUMBER=${{ github.event.issue.number }}
           HEAD_SHA=$(gh pr view "$PR_NUMBER" --json headRefOid -q .headRefOid)