From daf77189a5ef9cdada6e93c897bcbafded98f8e5 Mon Sep 17 00:00:00 2001
From: David Glick <david@glicksoftware.com>
Date: Tue, 1 Apr 2014 17:05:33 -0700
Subject: [PATCH] avoid error, refs #116

---
 plone/app/dexterity/behaviors/id.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plone/app/dexterity/behaviors/id.py b/plone/app/dexterity/behaviors/id.py
index a76a5d81..1157fd76 100644
--- a/plone/app/dexterity/behaviors/id.py
+++ b/plone/app/dexterity/behaviors/id.py
@@ -1,3 +1,4 @@
+from Acquisition import aq_base
 from Acquisition import aq_inner
 from Acquisition import aq_parent
 from zope import schema
@@ -46,7 +47,7 @@ def _set_id(self, value):
             context.id = value
             return
         new_id = INameChooser(parent).chooseName(value, context)
-        if context.getId():
+        if getattr(aq_base(context), 'id', None):
             transaction.savepoint()
             parent.manage_renameObject(context.getId(), new_id)
         else: