diff --git a/autoware_launch/config/localization/ndt_scan_matcher.param.yaml b/autoware_launch/config/localization/ndt_scan_matcher.param.yaml
index 9bc62d3f91..a5a4941bfe 100644
--- a/autoware_launch/config/localization/ndt_scan_matcher.param.yaml
+++ b/autoware_launch/config/localization/ndt_scan_matcher.param.yaml
@@ -54,6 +54,9 @@
     # Tolerance of distance difference between two initial poses used for linear interpolation. [m]
     initial_pose_distance_tolerance_m: 10.0
 
+    # The execution time which means probably NDT cannot matches scans properly. [ms]
+    critical_upper_bound_exe_time_ms: 100.0
+
     # Number of threads used for parallel computing
     num_threads: 4
 
@@ -98,6 +101,3 @@
 
     # If lidar_point.z - base_link.z <= this threshold , the point will be removed
     z_margin_for_ground_removal: 0.8
-
-    # The execution time which means probably NDT cannot matches scans properly. [ms]
-    critical_upper_bound_exe_time_ms: 100