diff --git a/.github/workflows/ldoc.yml b/.github/workflows/ldoc.yml
index 3be87c3..922d594 100644
--- a/.github/workflows/ldoc.yml
+++ b/.github/workflows/ldoc.yml
@@ -36,4 +36,4 @@ jobs:
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./api/lua/doc/doc
-          destination_dir: "$BRANCH_NAME"
+          destination_dir: ${{ env.BRANCH_NAME }}