diff --git a/tlv.h b/tlv.h
index b437286..9992fc3 100644
--- a/tlv.h
+++ b/tlv.h
@@ -114,6 +114,11 @@ struct management_tlv {
 	Octet         data[0];
 } PACKED;
 
+struct management_tlv_datum {
+	uint8_t val;
+	uint8_t reserved;
+} PACKED;
+
 struct management_error_status {
 	Enumeration16 type;
 	UInteger16    length;