diff --git a/msg/LandmarkDetection.msg b/msg/LandmarkDetection.msg
index 640da05d6f75f583471ff5178b954845c7879d55..058e840f774e99c585826d94418b6111ba0a2297 100644
--- a/msg/LandmarkDetection.msg
+++ b/msg/LandmarkDetection.msg
@@ -1,3 +1,4 @@
 geometry_msgs/PoseWithCovariance pose
 int32 id
+int32 class
 float32 quality
\ No newline at end of file