[Zope] Refresh adds objects to Add list again

Hi, I'm working with a very simple Product. Whenever I Refresh it, it shows up an additional time in the Add list. Is this expected behavior? I don't think I'm doing anything odd at all in the __init__.py or in the product itself. The __init__.py consists of basically just a single context.registerClass... Kevin http://www.byproducts.com - Humor and Novelties