diff --git a/__init__.py b/__init__.py
index 5973df8..c431dc6 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,22 +1,16 @@
-#
-#  Copyright (c) 2008 Helmut Merz helmutm@cy55.de
-#
-#  This program is free software; you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation; either version 2 of the License, or
-#  (at your option) any later version.
-#
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program; if not, write to the Free Software
-#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-#
+# package loops
 
-"""
+# intid monkey patch for avoiding ForbiddenAttribute error
 
-$Id$
-"""
+from zope import intid
+from zope.security.proxy import removeSecurityProxy
+
+class IntIds(intid.IntIds):
+
+    def queryId(self, ob, default=None):
+        try:
+            return self.getId(removeSecurityProxy(ob))
+        except KeyError:
+            return default
+
+intid.IntIds = IntIds