diff --git a/web/app/assets/javascripts/react-components/PopupJamTrackPlayer.js.jsx.coffee b/web/app/assets/javascripts/react-components/PopupJamTrackPlayer.js.jsx.coffee
index 62fb4bf64..f352403ba 100644
--- a/web/app/assets/javascripts/react-components/PopupJamTrackPlayer.js.jsx.coffee
+++ b/web/app/assets/javascripts/react-components/PopupJamTrackPlayer.js.jsx.coffee
@@ -494,7 +494,7 @@ mixins.push(Reflux.listenTo(JamTrackPlayerStore, 'onJamTrackPlayerStoreChanged')
         e.preventDefault()
 
         iframe = document.createElement("iframe")
-        iframe.src = @createStemUrl(@state.jamTrackState.jamTrack.id, stemId)
+        iframe.src = @createStemUrl(@state.jamTrackState.jamTrack.id, selectedTrackId)
         iframe.style.display = "none"
         document.body.appendChild(iframe);