--- a/web/views/embedding.py	Thu Jan 20 17:14:28 2011 +0100
+++ b/web/views/embedding.py	Fri Jan 21 11:48:19 2011 +0100
@@ -41,6 +41,7 @@
 
 class IEmbedableAdapter(EntityAdapter):
     """interface for embedable entities"""
+    __needs_bw_compat__ = True
     __regid__ = 'IEmbedable'
     __select__ = implements(IEmbedable, warn=False) # XXX for bw compat, should be abstract