--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -1301,16 +1301,22 @@ private:
                  SLOG("OnSeekRejected wait promise rejected");
                  mWaitRequest.Complete();
                  mMaster->DecodeError(NS_ERROR_DOM_MEDIA_WAITING_FOR_DATA);
                })
         ->Track(mWaitRequest);
       return;
     }
 
+    if (aReject.mError == NS_ERROR_DOM_MEDIA_END_OF_STREAM) {
+      HandleEndOfAudio();
+      HandleEndOfVideo();
+      return;
+    }
+
     MOZ_ASSERT(NS_FAILED(aReject.mError),
                "Cancels should also disconnect mSeekRequest");
     mMaster->DecodeError(aReject.mError);
   }
 
   void RequestAudioData()
   {
     MOZ_ASSERT(!mDoneAudioSeeking);