diff --git a/action/pointHeadTracker.action b/action/pointHeadTracker.action
index 7f6f29690d08282a51d3c571a2853d33236978f5..379595bdf43efd218aa6231562df4c9d27a2817e 100644
--- a/action/pointHeadTracker.action
+++ b/action/pointHeadTracker.action
@@ -1,5 +1,6 @@
 ---
-geometry_msgs/PointStamped target
-string[] joint_name
-float64[] target_angle
 ---
+geometry_msgs/Point target
+string target_frame_id
+string[] joint_names
+float64[] target_angle