diff --git a/.github/workflows/sync-main.yml b/.github/workflows/sync-main.yml
index 6a9fb9d..a08095c 100644
--- a/.github/workflows/sync-main.yml
+++ b/.github/workflows/sync-main.yml
@@ -47,9 +47,11 @@ jobs:
         id: existing
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          REPO: ${{ github.repository }}
         run: |
           PR_NUMBER=$(gh pr list \
             --base main \
+            --repo "$REPO" \
             --head "${{ steps.branch.outputs.source }}" \
             --state open \
             --json number \
@@ -65,6 +67,7 @@ jobs:
         run: |
           PR_URL=$(gh pr create \
             --base main \
+            --repo "$REPO" \
             --head "${{ steps.branch.outputs.source }}" \
             --title "Weekly sync: ${{ steps.branch.outputs.source }} → main" \
             --body "$(cat <<EOF
@@ -97,5 +100,6 @@ jobs:
         run: |
           gh pr merge \
             "${{ steps.final.outputs.number }}" \
+            --repo "$REPO" \
             --auto \
             --merge