diff --git a/simple-demos/audio-recording.html b/simple-demos/audio-recording.html
index 38b20de3..c31d5597 100644
--- a/simple-demos/audio-recording.html
+++ b/simple-demos/audio-recording.html
@@ -180,7 +180,7 @@ <h1>Simple Audio Recording using RecordRTC</h1>
     btnStartRecording.disabled = false;
 
     if(microphone) {
-        microphone.stop();
+        microphone.getTracks().forEach( t => t.stop());();
         microphone = null;
     }