--- a/src/pyams_content/shared/form/manager.py	Mon Jun 11 15:18:58 2018 +0200
+++ b/src/pyams_content/shared/form/manager.py	Mon Jun 11 15:22:01 2018 +0200
@@ -18,7 +18,7 @@
 # import interfaces
 from pyams_content.shared.common.interfaces import ISharedContentFactory
 from pyams_content.shared.form.interfaces import IFormsManager, FORM_CONTENT_TYPE, IFormsManagerFactory
-from zope.annotation.interfaces import IAttributeAnnotatable
+from pyams_portal.interfaces import IPortalContext
 from zope.component.interfaces import ISite
 from zope.lifecycleevent.interfaces import IObjectAddedEvent
 
@@ -32,7 +32,7 @@
 from zope.interface import implementer
 
 
-@implementer(IFormsManager, IAttributeAnnotatable)
+@implementer(IFormsManager, IPortalContext)
 class FormsManager(SharedTool):
     """Forms manager class"""