diff -r b2f7f03f10b3 -r 5c2a4a0a8dbd entities/adapters.py
--- a/entities/adapters.py	Tue Feb 17 12:35:58 2015 +0100
+++ b/entities/adapters.py	Tue Feb 17 12:42:42 2015 +0100
@@ -78,6 +78,8 @@
         itree = self.entity.cw_adapt_to('ITree')
         if itree is not None:
             return itree.path()[:-1]
+        if view.msgid_timestamp:
+            return (self.entity.eid,)
         return ()