diff --git a/app/controllers/ad_banners_controller.rb b/app/controllers/ad_banners_controller.rb
index 7da9a1c..2c4f86f 100644
--- a/app/controllers/ad_banners_controller.rb
+++ b/app/controllers/ad_banners_controller.rb
@@ -142,8 +142,8 @@ class AdBannersController < ApplicationController
     extra_before_html = ""
     extra_after_html = ""
     if has_jplayer
-      extra_before_html = ActionController::Base.helpers.stylesheet_link_tag("ad_banner/jplayer.blue.monday.min").html_safe
-      extra_after_html = ActionController::Base.helpers.javascript_include_tag("ad_banner/jquery.jplayer").html_safe
+      extra_before_html = "<link href=\"/assets/ad_banner/jplayer.blue.monday.min.css\" rel=\"stylesheet\">"
+      extra_after_html = "<script src=\"/assets/ad_banner/jquery.jplayer.min.js\"></script>"
     end
     {
       "extras" => {