diff --git a/media/mtp/MtpStringBuffer.h b/media/mtp/MtpStringBuffer.h
index 46138d2..4641c3f 100644
--- a/media/mtp/MtpStringBuffer.h
+++ b/media/mtp/MtpStringBuffer.h
@@ -19,6 +19,8 @@
 
 #include <stdint.h>
 
+namespace android {
+
 class MtpDataPacket;
 
 // Represents a utf8 string, with a maximum of 255 characters
@@ -47,4 +49,6 @@
 	inline operator const char*() const { return (const char *)mBuffer; }
 };
 
+}; // namespace android
+
 #endif // _MTP_STRING_BUFFER_H