diff --git a/js/server/modules/org/arangodb/foxx.js b/js/server/modules/org/arangodb/foxx.js
index 7b547d11b8..6dbf4ddbcd 100644
--- a/js/server/modules/org/arangodb/foxx.js
+++ b/js/server/modules/org/arangodb/foxx.js
@@ -159,7 +159,7 @@ _.extend(Application.prototype, {
   },
 
   registerRepository: function (name, opts) {
-    this.routingInfo.repositories[name] = opts;
+    this.routingInfo.repositories[name] = opts || {};
   },
 
 ////////////////////////////////////////////////////////////////////////////////