--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -481,23 +481,23 @@ public:
 
   State GetState() const override
   {
     return DECODER_STATE_DECODING_FIRSTFRAME;
   }
 
   void HandleAudioDecoded(MediaData* aAudio) override
   {
-    mMaster->Push(aAudio);
+    mMaster->PushAudio(aAudio);
     MaybeFinishDecodeFirstFrame();
   }
 
   void HandleVideoDecoded(MediaData* aVideo, TimeStamp aDecodeStart) override
   {
-    mMaster->Push(aVideo);
+    mMaster->PushVideo(aVideo);
     MaybeFinishDecodeFirstFrame();
   }
 
   void HandleEndOfStream() override
   {
     MaybeFinishDecodeFirstFrame();
   }