1 files changed, 6 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/template/handlers/rjs.rb b/actionpack/lib/action_view/template/handlers/rjs.rb
index 802a79b3fc..a36744c2b7 100644
--- a/actionpack/lib/action_view/template/handlers/rjs.rb
+++ b/actionpack/lib/action_view/template/handlers/rjs.rb
@@ -3,11 +3,17 @@ module ActionView
     class RJS < TemplateHandler
       include Compilable
 
+      self.default_format = Mime::JS
+
       def compile(template)
         "@formats = [:html];" +
         "controller.response.content_type ||= Mime::JS;" +
           "update_page do |page|;#{template.source}\nend"
       end
+
+      def default_format
+        Mime::JS
+      end
     end
   end
 end