--- a/src/pyams_content/shared/site/folder.py	Thu Mar 15 12:06:23 2018 +0100
+++ b/src/pyams_content/shared/site/folder.py	Fri Mar 16 08:17:54 2018 +0100
@@ -17,6 +17,7 @@
 
 # import interfaces
 from pyams_content.component.illustration import IIllustrationTarget
+from pyams_content.features.preview.interfaces import IPreviewTarget
 from pyams_content.interfaces import MANAGE_SITE_PERMISSION
 from pyams_content.shared.site.interfaces import ISiteFolder, ISiteManager, ISiteFolderRoles
 from pyams_form.interfaces.form import IFormContextPermissionChecker
@@ -42,7 +43,7 @@
 
 
 @implementer(IDefaultProtectionPolicy, ISiteFolder, ISiteFolderRoles,
-             IIllustrationTarget, IPortalContext, IAttributeAnnotatable)
+             IIllustrationTarget, IPortalContext, IPreviewTarget, IAttributeAnnotatable)
 class SiteFolder(SiteContainerMixin, OrderedContainer, BaseSharedTool):
     """Site folder persistent class"""