diff --git a/headers/os/drivers/usb/USB_hid.h b/headers/os/drivers/usb/USB_hid.h
index b4cc621775..4104dbaeae 100644
--- a/headers/os/drivers/usb/USB_hid.h
+++ b/headers/os/drivers/usb/USB_hid.h
@@ -65,7 +65,8 @@ enum
 	USAGE_PAGE_PID = 0xf,
 	USAGE_PAGE_UNICODE,
 	USAGE_PAGE_ALPHANUM_DISPLAY = 0x14,
-	USAGE_PAGE_MEDICAL = 0x40
+	USAGE_PAGE_MEDICAL = 0x40,
+	USGAE_PAGE_MICROSOFT = 0xff00
 };
 
 /* Page 1: Generic Desktop */