diff --git a/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb b/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
index a999be9b7c..38fc7e4410 100644
--- a/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
+++ b/actionwebservice/lib/action_web_service/dispatcher/action_controller_dispatcher.rb
@@ -95,7 +95,7 @@ module ActionWebService # :nodoc:
                 message = "Exception raised"
                 backtrace = ""
               end
-              render_text("Internal protocol error: #{message}#{backtrace}", "500 #{message}")
+              render_text("Internal protocol error: #{message}#{backtrace}", "500 Internal Protocol Error")
             end
           end