diff --git a/launch/tier4_perception_launch/launch/object_recognition/detection/detection.launch.xml b/launch/tier4_perception_launch/launch/object_recognition/detection/detection.launch.xml
index 0d03e3c8cdcd9..0649d8c5d5116 100644
--- a/launch/tier4_perception_launch/launch/object_recognition/detection/detection.launch.xml
+++ b/launch/tier4_perception_launch/launch/object_recognition/detection/detection.launch.xml
@@ -104,6 +104,7 @@
       <arg name="container_name" value="$(var container_name)"/>
       <arg name="use_low_height_cropbox" value="$(var use_low_height_cropbox)"/>
       <arg name="use_roi_based_cluster" value="$(var use_roi_based_cluster)"/>
+      <arg name="detection_by_tracker_param_path" value="$(var detection_by_tracker_param_path)"/>
     </include>
   </group>
 
@@ -132,6 +133,7 @@
       <arg name="use_pointcloud_container" value="$(var use_pointcloud_container)"/>
       <arg name="container_name" value="$(var container_name)"/>
       <arg name="use_low_height_cropbox" value="$(var use_low_height_cropbox)"/>
+      <arg name="detection_by_tracker_param_path" value="$(var detection_by_tracker_param_path)"/>
     </include>
   </group>
 
diff --git a/launch/tier4_perception_launch/launch/perception.launch.xml b/launch/tier4_perception_launch/launch/perception.launch.xml
index da393b1efff59..7f5f9d61c4bf0 100644
--- a/launch/tier4_perception_launch/launch/perception.launch.xml
+++ b/launch/tier4_perception_launch/launch/perception.launch.xml
@@ -178,6 +178,7 @@
           <arg name="voxel_grid_based_euclidean_param_path" value="$(var object_recognition_detection_voxel_grid_based_euclidean_cluster_param_path)"/>
           <arg name="radar_lanelet_filtering_range_param" value="$(var object_recognition_detection_radar_lanelet_filtering_range_param)"/>
           <arg name="radar_object_clustering_param_path" value="$(var object_recognition_detection_radar_object_clustering_param_path)"/>
+          <arg name="detection_by_tracker_param_path" value="$(var object_recognition_detection_detection_by_tracker_param)"/>
 
           <arg name="use_pointcloud_map" value="$(var use_pointcloud_map)"/>
           <arg name="use_low_height_cropbox" value="$(var use_low_height_cropbox)"/>