diff --git a/actionpack/lib/action_view/helpers/active_record_helper.rb b/actionpack/lib/action_view/helpers/active_record_helper.rb
index 541899e..57eb9f2 100644
--- a/actionpack/lib/action_view/helpers/active_record_helper.rb
+++ b/actionpack/lib/action_view/helpers/active_record_helper.rb
@@ -193,8 +193,8 @@ module ActionView
             header_message = if options.include?(:header_message)
               options[:header_message]
             else
-              object_name = options[:object_name].to_s.gsub('_', ' ')
-              object_name = I18n.t(object_name, :default => object_name, :scope => [:activerecord, :models], :count => 1)
+              object_name = options[:object_name].to_s
+              object_name = I18n.t(object_name, :default => object_name.gsub('_', ' '), :scope => [:activerecord, :models], :count => 1)
               locale.t :header, :count => count, :model => object_name
             end
             message = options.include?(:message) ? options[:message] : locale.t(:body)