diff --git a/VERSION b/VERSION
index fafdfec8..1d074d70 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.2.1 (2012-11-16 16:24:05) stable
+Version 2.2.1 (2012-11-17 08:59:48) stable
diff --git a/gluon/rewrite.py b/gluon/rewrite.py
index c18035d9..e0f87d08 100644
--- a/gluon/rewrite.py
+++ b/gluon/rewrite.py
@@ -538,7 +538,7 @@ def load_routers(all_apps):
 def regex_uri(e, regexes, tag, default=None):
     "filter incoming URI against a list of regexes"
     path = e['PATH_INFO']
-    host = e.get('http_host', e.get('SERVER_NAME', 'localhost')).lower()
+    host = e.get('HTTP_HOST', e.get('SERVER_NAME', 'localhost')).lower()
     i = host.find(':')
     if i > 0:
         host = host[:i]