Hello, the z3c:pagelet directive have a strange behavior when you provide a template attribute. The template path is not resolved like in standard browser:page so when you try to call your pagelet you get a "unicode is not callable" error. I know that the way to associate a template to a pagelet is to use a z3c:template or a class attribute but this behavior can make a lot of people confused. So I see two options: - resolve the template path in the directive and give a real ViewPageTemplateFile to the class like in browser:page - raising a ConfigurationError if a template key is found in **kwargs if you want to force the use of z3c:template. I like the first one because you don't always need a z3c:template and writing template="sample.pt" is shorter than from ... import ViewpageTemplateFile; template = ViewPageTemplateFile('sample.pt'). May be i can give a patch for this. Let me know. Regards, -- Gael