diff --git a/launch/tier4_perception_launch/launch/perception.launch.xml b/launch/tier4_perception_launch/launch/perception.launch.xml
index 3bd3aff10a4e4..e8c19382864ba 100644
--- a/launch/tier4_perception_launch/launch/perception.launch.xml
+++ b/launch/tier4_perception_launch/launch/perception.launch.xml
@@ -16,8 +16,8 @@
   <arg name="object_recognition_detection_lidar_model_param_path"/>
   <arg name="object_recognition_detection_radar_lanelet_filtering_range_param"/>
   <arg name="object_recognition_detection_radar_object_clustering_param_path"/>
-  <arg name="object_recognition_detection_object_velocity_splitter_radar_param_path"/>
-  <arg name="object_recognition_detection_object_velocity_splitter_radar_fusion_param_path"/>
+  <arg name="object_recognition_detection_object_range_splitter_radar_param_path"/>
+  <arg name="object_recognition_detection_object_range_splitter_radar_fusion_param_path"/>
   <arg name="object_recognition_tracking_multi_object_tracker_data_association_matrix_param_path"/>
   <arg name="object_recognition_tracking_multi_object_tracker_node_param_path"/>
   <arg name="object_recognition_tracking_radar_object_tracker_data_association_matrix_param_path"/>