diff --git a/bus-gateway/controllers/iti65.js b/bus-gateway/controllers/iti65.js
index d9e85ab..ffcc642 100644
--- a/bus-gateway/controllers/iti65.js
+++ b/bus-gateway/controllers/iti65.js
@@ -54,7 +54,7 @@ function generateDocumentReferenceResource(subjectReference, bundleUrl) {
             reference: subjectReference
         },
         custodian: {
-            identifier: busCustodianIdentifier,
+            identifier: { system: CUSTODIAN_ID_SYSTEM, value: config.bus.issuer },
         },
         content: [
             {