diff --git a/lib/tasks/conference.js b/lib/tasks/conference.js
index 44ad9544..6692a874 100644
--- a/lib/tasks/conference.js
+++ b/lib/tasks/conference.js
@@ -351,7 +351,9 @@ class Conference extends Task {
       Object.assign(opts, {flags: {
         ...(this.endConferenceOnExit && {endconf: true}),
         ...(this.startConferenceOnEnter && {moderator: true}),
-        ...((this.joinMuted || this.speakOnlyTo) && {joinMuted: true}),
+        //https://developer.signalwire.com/freeswitch/FreeSWITCH-Explained/Modules/mod_conference_3965534/
+        // mute |	Enter conference muted
+        ...((this.joinMuted || this.speakOnlyTo) && {mute: true}),
       }});
 
       /**