diff --git a/addons/website/controllers/main.py b/addons/website/controllers/main.py
index dad87420ecb..425859decd9 100644
--- a/addons/website/controllers/main.py
+++ b/addons/website/controllers/main.py
@@ -75,7 +75,7 @@ class Website(Home):
         else:
             top_menu = request.website.menu_id
             first_menu = top_menu and top_menu.child_id and top_menu.child_id.filtered(lambda menu: menu.is_visible)
-            if first_menu and first_menu[0].url != '/' and (not (first_menu[0].url.startswith(('/?', '/#')))):
+            if first_menu and first_menu[0].url not in ('/', '') and (not (first_menu[0].url.startswith(('/?', '/#', ' ')))):
                 return request.redirect(first_menu[0].url)
 
         raise request.not_found()