diff --git a/.github/workflows/adoc_build.yml b/.github/workflows/adoc_build.yml
index 44058ce6..242fed96 100644
--- a/.github/workflows/adoc_build.yml
+++ b/.github/workflows/adoc_build.yml
@@ -156,7 +156,7 @@ jobs:
         run: rm -rf build/
       # Update root index.html: tree directories, excluding empty ones 
       - name: Update root index.html
-        run: tree -T ${GITHUB_REPOSITORY} --dirsfirst --prune --noreport -I index.html -H . -o index.html
+        run: tree -T ${GITHUB_REPOSITORY} --dirsfirst --prune --noreport -I index.html -I README.md -H . -o index.html
       # Stage all changed files to git
       - name: Add all changes to git
         run: git add --all