diff --git a/voicegardens/static/voicegardens.js b/voicegardens/static/voicegardens.js
index 7885fe2..68598e0 100644
--- a/voicegardens/static/voicegardens.js
+++ b/voicegardens/static/voicegardens.js
@@ -30,6 +30,7 @@ var newSoundJustRecorded = false;
 var playButton;
 var recordButton;
 var stopButton;
+var chorusButton;
 
 // Time-out used to stop a recording in case the user forgets to stop it
 // themselves. It also gurantees to turn off the mic in case of some unknown