diff --git a/gluon/gluon-announce/files/lib/gluon/announce/nodeinfo.d/system/site_code b/gluon/gluon-announce/files/lib/gluon/announce/nodeinfo.d/system/site_code
new file mode 100644
index 0000000..876fb6d
--- /dev/null
+++ b/gluon/gluon-announce/files/lib/gluon/announce/nodeinfo.d/system/site_code
@@ -0,0 +1,3 @@
+local site = require 'gluon.site_config'
+
+return site.site_code