diff --git a/examples/proxy.cgi b/examples/proxy.cgi
index c67a827844..a3f78be57a 100755
--- a/examples/proxy.cgi
+++ b/examples/proxy.cgi
@@ -18,6 +18,7 @@ import sys, os
 allowedHosts = ['www.openlayers.org', 'openlayers.org', 
                 'labs.metacarta.com', 'world.freemap.in', 
                 'prototype.openmnnd.org', 'geo.openplans.org',
+                'sigma.openplans.org'
                 'www.openstreetmap.org']
 
 method = os.environ["REQUEST_METHOD"]