diff --git a/.github/workflows/build_doc.yml b/.github/workflows/build_doc.yml
index 92c5e0f96..c145f116e 100644
--- a/.github/workflows/build_doc.yml
+++ b/.github/workflows/build_doc.yml
@@ -36,11 +36,11 @@ jobs:
         uses: ammaraskar/sphinx-action@master
         with:
           docs-folder: "docs/sphinx_docs/"
+          pre-build-command: "su runner"
           build-command: "sphinx-build . -W -b html ../../_build/sphinx_docs"
 
       - name: Debug
         run: |
-          chown -R runner _build/sphinx_docs
           ls -l _build/default/_doc/_html
           ls -l _build/sphinx_docs
           id