lib/supermodel/base.rb in supermodel-0.1.5 vs lib/supermodel/base.rb in supermodel-0.1.6

@@ -15,10 +15,10 @@
         @collection.class_eval(&block) if block_given?
         @collection
       end
 
       def attributes(*attributes)
-        self.known_attributes += attributes.map(&:to_s)
+        self.known_attributes |= attributes.map(&:to_s)
       end
       
       def records
         @records ||= {}
       end
\ No newline at end of file