diff --git a/lib/tasks/dial.js b/lib/tasks/dial.js
index 218ba718..96df3a9e 100644
--- a/lib/tasks/dial.js
+++ b/lib/tasks/dial.js
@@ -323,7 +323,7 @@ class TaskDial extends Task {
         const by = parseUri(req.getParsedHeader('Referred-By').uri);
         this.logger.info({to}, 'refer to parsed');
         const json = await cs.requestor.request('verb:hook', this.referHook, {
-          ...callInfo,
+          ...(callInfo.toJSON()),
           refer_details: {
             sip_refer_to: req.get('Refer-To'),
             sip_referred_by: req.get('Referred-By'),