diff -r 1e227243eea2 -r 773429b4a3ed src/pyams_content/features/menu/portlet/navigation/simple.py
--- a/src/pyams_content/features/menu/portlet/navigation/simple.py	Fri Jun 15 11:05:24 2018 +0200
+++ b/src/pyams_content/features/menu/portlet/navigation/simple.py	Fri Jun 15 14:08:58 2018 +0200
@@ -28,6 +28,7 @@
 from pyams_content.features.menu import Menu
 from pyams_portal.portlet import PortletSettings, portlet_config, Portlet
 from pyams_utils.adapter import get_annotation_adapter, adapter_config
+from pyams_utils.factory import factory_config
 from pyramid.events import subscriber
 from zope.interface import implementer, alsoProvides
 from zope.schema.fieldproperty import FieldProperty
@@ -40,6 +41,7 @@
 
 
 @implementer(ISimpleNavigationPortletSettings, IMenuLinksContainerTarget)
+@factory_config(provided=ISimpleNavigationPortletSettings)
 class SimpleNavigationPortletSettings(PortletSettings):
     """Simple navigation portlet settings"""
 
@@ -65,7 +67,9 @@
     name = SIMPLE_NAVIGATION_PORTLET_NAME
     label = _("Simple navigation")
 
-    settings_class = SimpleNavigationPortletSettings
+    toolbar_css_class = 'fa fa-fw fa-2x fa-bars'
+
+    settings_factory = ISimpleNavigationPortletSettings
 
 
 @subscriber(IObjectAddedEvent, parent_selector=ISimpleNavigationMenu)