diff --git a/lib/tasks/conference.js b/lib/tasks/conference.js
index 4a7a6200..8b005720 100644
--- a/lib/tasks/conference.js
+++ b/lib/tasks/conference.js
@@ -27,7 +27,7 @@ function camelize(str) {
 
 function unhandled(logger, cs, evt) {
   this.participantCount = parseInt(evt.getHeader('Conference-Size'));
-  logger.debug({evt}, `unhandled conference event: ${evt.getHeader('Action')}`) ;
+  logger.debug(`unhandled conference event: ${evt.getHeader('Action')}`) ;
 }
 
 function capitalize(s) {