diff --git a/.github/workflows/build_doc.yml b/.github/workflows/build_doc.yml
index 40747b9..7e5f99b 100644
--- a/.github/workflows/build_doc.yml
+++ b/.github/workflows/build_doc.yml
@@ -50,5 +50,5 @@ jobs:
       with:
         publish_branch: gh-pages
         github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: _build/
+        publish_dir: doc/_build/html/
         force_orphan: true