diff --git a/.github/workflows/sync-tag.yml b/.github/workflows/sync-tag.yml
index 2a2255996..1cc553b12 100644
--- a/.github/workflows/sync-tag.yml
+++ b/.github/workflows/sync-tag.yml
@@ -17,6 +17,7 @@ jobs:
         uses: benc-uk/workflow-dispatch@v1
         with:
           workflow: sync-tag.yml
+          ref: main
           repo: ${{ secrets.UPSTREAM_REPO }}
           token: ${{ secrets.NC_GITHUB_TOKEN }}
           inputs: '{ "tag": "${{ github.ref_name }}" }'
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