diff --git a/src/libs/MicrophoneRecorder.js b/src/libs/MicrophoneRecorder.js
index d4fef6c..fb8f099 100644
--- a/src/libs/MicrophoneRecorder.js
+++ b/src/libs/MicrophoneRecorder.js
@@ -99,7 +99,8 @@ export class MicrophoneRecorder {
     }
   }
 
-  stopRecording() {
+  stopRecording(onStop) {
+    onStopCallback = onStop || onStopCallback;
     if (mediaRecorder && mediaRecorder.state !== 'inactive') {
       mediaRecorder.stop()