diff --git a/web/app/assets/javascripts/react-components/stores/MixerStore.js.coffee b/web/app/assets/javascripts/react-components/stores/MixerStore.js.coffee
index 8ebf4a1e6..22d920bd9 100644
--- a/web/app/assets/javascripts/react-components/stores/MixerStore.js.coffee
+++ b/web/app/assets/javascripts/react-components/stores/MixerStore.js.coffee
@@ -212,6 +212,7 @@ rest = context.JK.Rest()
 
     onSyncTracks: () ->
       logger.debug("MixerStore: onSyncTracks")
+      # XXX using SessionStore directly, because SessionHelper.inSession() is based on if the session has been requested, not if the user has attempted to join the session
       #unless @session.inSession()
       unless context.SessionStore.inSession()
         logger.debug("dropping sync tracks because no longer in session")