diff --git a/src/server.coffee b/src/server.coffee
index 7e7b46c..6601402 100644
--- a/src/server.coffee
+++ b/src/server.coffee
@@ -5,6 +5,7 @@
   port: 5050
   models: [
     yang.require 'cord-core'
+    yang.require 'xos-core'
   ]
   data: require '../sample-data.json'