diff -r 9539c5209338 -r f5eca01f0a1d src/pyams_content/shared/site/zmi/manager.py
--- a/src/pyams_content/shared/site/zmi/manager.py	Wed Jan 27 16:14:21 2021 +0100
+++ b/src/pyams_content/shared/site/zmi/manager.py	Mon Feb 01 13:31:22 2021 +0100
@@ -164,7 +164,8 @@
 
     fields = field.Fields(ISiteManager).select('title', 'short_name', 'header', 'description',
                                                'notepad') + \
-        field.Fields(IBaseSharedTool).select('shared_content_workflow')
+        field.Fields(IBaseSharedTool).select('shared_content_workflow') + \
+        field.Fields(ISiteManager).select('navigation_mode')
 
 
 @subscriber(IDataExtractedEvent, form_selector=SiteManagerAddForm)