diff --git a/autoware_launch/config/perception/object_recognition/tracking/multi_object_tracker/multi_object_tracker_node.param.yaml b/autoware_launch/config/perception/object_recognition/tracking/multi_object_tracker/multi_object_tracker_node.param.yaml
index f58de8e615..0bb0edb842 100644
--- a/autoware_launch/config/perception/object_recognition/tracking/multi_object_tracker/multi_object_tracker_node.param.yaml
+++ b/autoware_launch/config/perception/object_recognition/tracking/multi_object_tracker/multi_object_tracker_node.param.yaml
@@ -19,5 +19,5 @@
     # debug parameters
     publish_processing_time: false
     publish_tentative_objects: false
-    diagnostic_warn_delay: 0.5      # [sec]
-    diagnostic_error_delay: 1.0     # [sec]
+    diagnostics_warn_delay: 0.5      # [sec]
+    diagnostics_error_delay: 1.0     # [sec]