diff --git a/site.conf b/site.conf
index 7cdcdb8..356987a 100644
--- a/site.conf
+++ b/site.conf
@@ -1,7 +1,7 @@
 {
     hostname_prefix = 'tdf',
     site_name = 'Freifunk Troisdorf',
-    site_code = 'Troisdorf',
+    site_code = 'tdf',
     opkg_repo = 'http://openwrt.draic.info/barrier_breaker/14.07/%S/packages',
     prefix4 = '10.188.0.0/16',
     prefix6 = 'fda0:747e:ab29:7405::/64',