diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 40c59c0fb..65163b2f9 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -188,9 +188,13 @@ class UsersController < ApplicationController
     jnlp = ''
     xml = Builder::XmlMarkup.new(:indent => 2, :target => jnlp)
     xml.instruct!
+    jnlpurl = isp_ping_url(:isp => params[:isp], 
+                           :format => :jnlp, 
+                           :host => 'www.jamkazam.com', 
+                           :port => '80')
     xml.jnlp(:spec => '1.0+', 
-         :href => "ping#{params[:isp]}.jnlp", 
-         :codebase => "http://www.jamkazam.com/ping.jar") do
+             :href => jnlpurl, 
+             :codebase => "http://www.jamkazam.com/ping.jar") do
       xml.information do
         xml.title 'Ping'
         xml.vendor 'JamKazam'