diff --git a/content/html/content/src/HTMLMediaElement.cpp b/content/html/content/src/HTMLMediaElement.cpp
index 91f47a39d5eb..ed72a4045e0b 100755
--- a/content/html/content/src/HTMLMediaElement.cpp
+++ b/content/html/content/src/HTMLMediaElement.cpp
@@ -3942,7 +3942,9 @@ void HTMLMediaElement::UpdateAudioChannelPlayingState()
      (!mPaused &&
       (HasAttr(kNameSpaceID_None, nsGkAtoms::loop) ||
        (mReadyState >= nsIDOMHTMLMediaElement::HAVE_CURRENT_DATA &&
-        !IsPlaybackEnded()) ||
+        !IsPlaybackEnded() &&
+        !(mSrcStream && !(mSrcStream->GetTrackTypesAvailable() &
+                          DOMMediaStream::HINT_CONTENTS_AUDIO))) ||
        mPlayingThroughTheAudioChannelBeforeSeek));
   if (playingThroughTheAudioChannel != mPlayingThroughTheAudioChannel) {
     mPlayingThroughTheAudioChannel = playingThroughTheAudioChannel;
diff --git a/content/media/DOMMediaStream.h b/content/media/DOMMediaStream.h
index c5a82d4b12be..e59c31b40164 100644
--- a/content/media/DOMMediaStream.h
+++ b/content/media/DOMMediaStream.h
@@ -171,6 +171,8 @@ public:
   TrackTypeHints GetHintContents() const { return mHintContents; }
   void SetHintContents(TrackTypeHints aHintContents) { mHintContents = aHintContents; }
 
+  TrackTypeHints GetTrackTypesAvailable() const { return mTrackTypesAvailable; }
+
   /**
    * Create an nsDOMMediaStream whose underlying stream is a SourceMediaStream.
    */