diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h
index db5a7ab..64f82bb 100644
--- a/include/media/AudioTrack.h
+++ b/include/media/AudioTrack.h
@@ -599,6 +599,7 @@
     int                     mPreviousPriority;          // before start()
     SchedPolicy             mPreviousSchedulingGroup;
     AudioTrackClientProxy*  mProxy;
+    bool                    mAwaitBoost;    // thread should wait for priority boost before running
 };
 
 class TimedAudioTrack : public AudioTrack