diff --git a/media/mtp/MtpDevice.h b/media/mtp/MtpDevice.h
index 4be44cf..b65e098 100644
--- a/media/mtp/MtpDevice.h
+++ b/media/mtp/MtpDevice.h
@@ -62,6 +62,10 @@
     bool                    mProcessingEvent;
     int                     mCurrentEventHandle;
 
+    // to check if a sendObject request follows the last sendObjectInfo request.
+    MtpTransactionID        mLastSendObjectInfoTransactionID;
+    MtpObjectHandle         mLastSendObjectInfoObjectHandle;
+
     // to ensure only one MTP transaction at a time
     Mutex                   mMutex;
     Mutex                   mEventMutex;