Also set object.person

app/models/user.rb

@@ -195,7 +195,9 @@ class User
       person.save  
 
     elsif object.is_a?(Comment) 
-      Diaspora::Parser.parse_or_find_person_from_xml( xml ).save if object.person.nil?
+      object.person = Diaspora::Parser.parse_or_find_person_from_xml( xml ).save if object.person.nil?
+      object.person.save
+    Rails.logger.debug("From: #{object.person.inspect}") if object.person
       raise "In receive for #{self.real_name}, signature was not valid on: #{object.inspect}" unless object.post.person == self.person || object.verify_post_creator_signature
       object.save
       dispatch_comment object unless owns?(object)