diff --git a/mtp/mtp_MtpDatabase.hpp b/mtp/mtp_MtpDatabase.hpp
index 2f5e931..cc8097b 100755
--- a/mtp/mtp_MtpDatabase.hpp
+++ b/mtp/mtp_MtpDatabase.hpp
@@ -46,6 +46,7 @@
 	int* getSupportedObjectProperties(int format);
 
     static int FILE_PROPERTIES[10];
+	static int DEVICE_PROPERTIES[3];
     static int AUDIO_PROPERTIES[19];
     static int VIDEO_PROPERTIES[15];
     static int IMAGE_PROPERTIES[12];