diff --git a/examples/websocket.html b/examples/websocket.html
index 5c608d1f..07708faf 100644
--- a/examples/websocket.html
+++ b/examples/websocket.html
@@ -8,7 +8,7 @@ http://assorted.svn.sourceforge.net/viewvc/assorted/real-time-plotter/trunk/src/
 <script>
 window.onload = function() {
     var data = {};
-    var s = new WebSocket("ws://nebula:8000/data");
+    var s = new WebSocket("ws://%(HTTP_HOST)s/data");
     s.onopen = function() { 
         //alert('open');
         s.send('hi');
diff --git a/examples/websocket.py b/examples/websocket.py
index f39f634f..e3de91c9 100644
--- a/examples/websocket.py
+++ b/examples/websocket.py
@@ -8,7 +8,7 @@
 
 import collections
 import errno
-from gunicorn.async.base import ALREADY_HANDLED
+from gunicorn.workers.async import ALREADY_HANDLED
 from eventlet import pools
 import socket
 import eventlet
@@ -139,6 +139,7 @@ def app(environ, start_response):
         data = open(os.path.join(
                      os.path.dirname(__file__), 
                      'websocket.html')).read()
+        data = data % environ
         start_response('200 OK', [('Content-Type', 'text/html'),
                                  ('Content-Length', len(data))])
         return [data]