diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index d862c1d..48edfcd 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -26,7 +26,7 @@
 #include <media/IAudioFlingerClient.h>
 #include <media/IAudioTrack.h>
 #include <media/IAudioRecord.h>
-#include <media/AudioTrack.h>
+#include <media/AudioSystem.h>
 
 #include <utils/Atomic.h>
 #include <utils/Errors.h>
@@ -207,6 +207,7 @@
                 bool        btNrecIsOff() { return mBtNrecIsOff; }
 
 private:
+
                             AudioFlinger();
     virtual                 ~AudioFlinger();
 
@@ -674,6 +675,10 @@
 
         private:
 
+            enum {
+                NO_MORE_BUFFERS = 0x80000001,   // same in AudioTrack.h, ok to be different value
+            };
+
             status_t            obtainBuffer(AudioBufferProvider::Buffer* buffer, uint32_t waitTimeMs);
             void                clearBufferQueue();