diff --git a/lib/bootstrap_helper/helper.rb b/lib/bootstrap_helper/helper.rb
index 6d45df2..6e863b4 100644
--- a/lib/bootstrap_helper/helper.rb
+++ b/lib/bootstrap_helper/helper.rb
@@ -30,8 +30,8 @@ def render_body_tag
     def notice_message
       flash_messages = []
       flash.each do |type, message|
-        type = :success if type == :notice
-        type = :danger  if type == :alert
+        type = :success if type.to_sym == :notice
+        type = :danger  if type.to_sym == :alert
         text = content_tag(:div, link_to("x", "#", :class => "close", "data-dismiss" => "alert") + message, :class => "alert fade in alert-#{type}")
         flash_messages << text if message
       end