diff --git a/msg/trajectory_waypoint.msg b/msg/trajectory_waypoint.msg
index 4c380b5afb..5afe9d79b7 100644
--- a/msg/trajectory_waypoint.msg
+++ b/msg/trajectory_waypoint.msg
@@ -18,6 +18,9 @@ uint8 AZ = 8
 uint8 YAW = 9
 uint8 YAW_SPEED = 10
 
+uint8 POINT_SIZE = 11
+uint8 NUMBER_POINTS = 5
+
 uint8 MAV_TRAJECTORY_REPRESENTATION_WAYPOINTS = 0
 
 uint8 type # Type from MAV_TRAJECTORY_REPRESENTATION enum.