diff --git a/deploy/deploy_real/deploy_real_ros_eetrack.py b/deploy/deploy_real/deploy_real_ros_eetrack.py
index 5c12a8b..9745bf4 100644
--- a/deploy/deploy_real/deploy_real_ros_eetrack.py
+++ b/deploy/deploy_real/deploy_real_ros_eetrack.py
@@ -356,7 +356,7 @@ class Observation:
             'pelvis',
             rp.time.Time()
         )
-        pelvis_height = [world_from_pelvis.translation[2]]
+        pelvis_height = [world_from_pelvis.transform.translation.z]
 
         obs = [
             base_ang_vel,