diff -r cf4b80992451 -r cb0f9b4646aa app/soc/tasks/surveys.py
--- a/app/soc/tasks/surveys.py	Mon Sep 07 20:27:37 2009 +0200
+++ b/app/soc/tasks/surveys.py	Mon Sep 07 20:36:14 2009 +0200
@@ -23,13 +23,13 @@
 
 
 import logging
-import os
 
 from google.appengine.api.labs import taskqueue
 
 from django import http
 
 from soc.tasks.helper import error_handler
+from soc.logic import system
 
 
 def getDjangoURLPatterns():
@@ -222,7 +222,7 @@
 
     survey_url = "http://%(host)s%(redirect)s" % {
       'redirect': survey_redirect,
-      'host': os.environ['HTTP_HOST'],
+      'host': system.getHostname(),
       }
 
     # set the context for the mail template