diff --git a/media/mtp/MtpDatabase.h b/media/mtp/MtpDatabase.h
index 66f70bd..2a48155 100644
--- a/media/mtp/MtpDatabase.h
+++ b/media/mtp/MtpDatabase.h
@@ -21,6 +21,8 @@
 #include "SqliteDatabase.h"
 #include "mtp.h"
 
+namespace android {
+
 class MtpDataPacket;
 class SqliteStatement;
 
@@ -62,4 +64,6 @@
     bool                    deleteFile(MtpObjectHandle handle);
 };
 
+}; // namespace android
+
 #endif // _MTP_DATABASE_H