diff --git a/autoware_launch/config/system/tier4_diagnostics/dummy_diag_publisher.param.yaml b/autoware_launch/config/system/tier4_diagnostics/dummy_diag_publisher.param.yaml
index b5c168cdd0..8a171c01f6 100644
--- a/autoware_launch/config/system/tier4_diagnostics/dummy_diag_publisher.param.yaml
+++ b/autoware_launch/config/system/tier4_diagnostics/dummy_diag_publisher.param.yaml
@@ -28,7 +28,7 @@
       "ndt_scan_matcher: scan_matching_status": default
 
       ## /localization/004-accuracy
-      "localization: localization_error_monitor": default
+      "localization_error_monitor: ellipse_error_status": default
 
       # map
       ## /map/001-topic_status/pointcloud_map