lib/mongoid/serializable.rb in mongoid-4.0.0.rc1 vs lib/mongoid/serializable.rb in mongoid-4.0.0.rc2

@@ -100,10 +100,10 @@
       if relations.has_key?(name)
         value = send(name)
         attrs[name] = value ? value.serializable_hash(options) : nil
       elsif names.include?(name) && !fields.has_key?(name)
         attrs[name] = read_attribute(name)
-      else
+      elsif !attribute_missing?(name)
         attrs[name] = send(name)
       end
     end
 
     # For each of the provided include options, get the relation needed and