diff --git a/media/mtp/MtpDatabase.cpp b/media/mtp/MtpDatabase.cpp
index bb44ab6..8f6c75d 100644
--- a/media/mtp/MtpDatabase.cpp
+++ b/media/mtp/MtpDatabase.cpp
@@ -22,6 +22,8 @@
 #include <stdio.h>
 #include <sqlite3.h>
 
+namespace android {
+
 #define ID_COLUMN       1
 #define PATH_COLUMN     2
 #define FORMAT_COLUMN   3
@@ -51,7 +53,6 @@
 #define FILE_INSERT     "INSERT INTO files VALUES(?,?,?,?,?,?,?,?);"
 #define FILE_DELETE     "DELETE FROM files WHERE path = ?;"
 
-
 struct PropertyTableEntry {
     MtpObjectProperty   property;
     int                 type;
@@ -384,3 +385,5 @@
     packet.putUInt8(formFlag);
     // form, variable
 */
+
+}  // namespace android