gistfile1.diff

@@ -221,7 +221,7 @@ module ActiveSupport #:nodoc:
               case params.class.to_s

                 when "Hash"
                   params.inject({}) do |h,(k,v)|
-                    h[k.to_s.underscore.tr("-", "_")] = unrename_keys(v)
+                    h[k.to_s.tr("-", "_")] = unrename_keys(v)
                     h
                   end
                 when "Array"