diff --git a/admin_manual/conf.py b/admin_manual/conf.py
index df5872f82..6f4e59a30 100644
--- a/admin_manual/conf.py
+++ b/admin_manual/conf.py
@@ -30,6 +30,7 @@ extensions += [
     'sphinx.ext.todo',
     'rst2pdf.pdfbuilder',
     'sphinx.ext.intersphinx',
+    'sphinx_toolbox.sidebar_links',
 ]
 
 templates_path = [