diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index bf68d8dbd..d40ae4dc4 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -220,7 +220,7 @@ module ApplicationHelper
   def render_flash_messages
     s = ''
     flash.each do |k,v|
-      s << (content_tag('div', v.html_safe, :class => "flash #{k}"))
+      s << content_tag('div', v.html_safe, :class => "flash #{k}", :id => "flash_#{k}")
     end
     s.html_safe
   end