diff --git a/launch/tier4_perception_launch/launch/object_recognition/detection/detector/radar_detector.launch.xml b/launch/tier4_perception_launch/launch/object_recognition/detection/detector/radar_detector.launch.xml
index 0ef0201d973e1..17c4c167daee9 100644
--- a/launch/tier4_perception_launch/launch/object_recognition/detection/detector/radar_detector.launch.xml
+++ b/launch/tier4_perception_launch/launch/object_recognition/detection/detector/radar_detector.launch.xml
@@ -41,6 +41,6 @@
   <include file="$(find-pkg-share radar_object_clustering)/launch/radar_object_clustering.launch.xml">
     <arg name="input/objects" value="lanelet_filtered_objects"/>
     <arg name="output/objects" value="$(var output/objects)"/>
-    <arg name="radar_object_clustering_param_path" value="$(var radar_object_clustering_param_path)"/>
+    <arg name="param_path" value="$(var radar_object_clustering_param_path)"/>
   </include>
 </launch>
diff --git a/perception/radar_object_clustering/launch/radar_object_clustering.launch.xml b/perception/radar_object_clustering/launch/radar_object_clustering.launch.xml
index 68fca44bcc723..1759c17a5ab6b 100644
--- a/perception/radar_object_clustering/launch/radar_object_clustering.launch.xml
+++ b/perception/radar_object_clustering/launch/radar_object_clustering.launch.xml
@@ -1,15 +1,12 @@
 <launch>
-  <!-- Input -->
   <arg name="input/objects" default="~/input/objects"/>
-  <!-- Output -->
   <arg name="output/objects" default="~/output/objects"/>
-  <!-- Parameter -->
-  <arg name="radar_object_clustering_param_path" default="$(find-pkg-share radar_object_clustering)/config/radar_object_clustering.param.yaml"/>
+  <arg name="param_path" default="$(find-pkg-share radar_object_clustering)/config/radar_object_clustering.param.yaml"/>
 
   <!-- Node -->
   <node pkg="radar_object_clustering" exec="radar_object_clustering_node" name="radar_object_clustering" output="screen">
     <remap from="~/input/objects" to="$(var input/objects)"/>
     <remap from="~/output/objects" to="$(var output/objects)"/>
-    <param from="$(var radar_object_clustering_param_path)"/>
+    <param from="$(var param_path)"/>
   </node>
 </launch>