diff --git a/autoware_launch/config/system/duplicated_node_checker/duplicated_node_checker.param.yaml b/autoware_launch/config/system/duplicated_node_checker/duplicated_node_checker.param.yaml
index 5b8c019de5..54b4f691b6 100644
--- a/autoware_launch/config/system/duplicated_node_checker/duplicated_node_checker.param.yaml
+++ b/autoware_launch/config/system/duplicated_node_checker/duplicated_node_checker.param.yaml
@@ -1,3 +1,4 @@
 /**:
   ros__parameters:
     update_rate: 10.0
+    add_duplicated_node_names_to_msg: false # if true, duplicated node names are added to msg