diff --git a/dom/media/AudioSink.cpp b/dom/media/AudioSink.cpp
index 19305695f4..d370046737 100644
--- a/dom/media/AudioSink.cpp
+++ b/dom/media/AudioSink.cpp
@@ -257,7 +257,10 @@ AudioSink::Cleanup()
   AssertCurrentThreadInMonitor();
   nsRefPtr<AudioStream> audioStream;
   audioStream.swap(mAudioStream);
-  mStateMachine->DispatchOnAudioSinkComplete();
+  // Suppress the callback when the stop is requested by MediaDecoderStateMachine.
+  if (!mStopAudioThread) {
+    mStateMachine->DispatchOnAudioSinkComplete();
+  }
 
   ReentrantMonitorAutoExit exit(GetReentrantMonitor());
   audioStream->Shutdown();