diff --git a/tools/generate_doc_confpy.py b/tools/generate_doc_confpy.py
index ce29a8dc..ffd2eb6b 100644
--- a/tools/generate_doc_confpy.py
+++ b/tools/generate_doc_confpy.py
@@ -205,9 +205,10 @@ def process_repositories(args, service):
             repo_to.index.add(pathlib.Path(copy_path, "index.rst"))
 
         placeholder_path = pathlib.Path(copy_path, "_static")
-        if not placeholder_path.exists():
+        if not pathlib.Path(placeholder_path, "placeholder").exists():
             placeholder_path.mkdir(parents=True, exist_ok=True)
-            open(pathlib.Path(placeholder_path, ".placeholder"), 'a').close()
+            open(pathlib.Path(placeholder_path, "placeholder"), 'a').close()
+            repo_to.index.add(pathlib.Path(placeholder_path, "placeholder"))
 
     if args.update_tox:
         context = dict(docs=[])