diff --git a/driving_log_replayer_v2/launch/post_process.launch.py b/driving_log_replayer_v2/launch/post_process.launch.py
index 02d9bf33..0f820b58 100644
--- a/driving_log_replayer_v2/launch/post_process.launch.py
+++ b/driving_log_replayer_v2/launch/post_process.launch.py
@@ -239,6 +239,7 @@ def time_step_based_trajectory(conf: dict[str, str]) -> ProcessInfo:
         "planning_data_analyzer.launch.xml",
         f"bag_path:={conf['result_bag_path']}/result_bag_0.mcap",
         f"output_dir:={optimized_result_archive_path}",
+        f"vehicle_model:={conf['vehicle_model']}",
         "trajectory_topic:=/planning/trajectory",
         "open_loop_metric_variant:=optimized",
         f"gt_source_mode:={conf['gt_source_mode']}",
@@ -252,6 +253,7 @@ def time_step_based_trajectory(conf: dict[str, str]) -> ProcessInfo:
         "planning_data_analyzer.launch.xml",
         f"bag_path:={conf['result_bag_path']}/result_bag_0.mcap",
         f"output_dir:={raw_result_archive_path}",
+        f"vehicle_model:={conf['vehicle_model']}",
         "trajectory_topic:=/planning/trajectory_generator/neural_network_based_planner/diffusion_planner_node/output/trajectory",
         "open_loop_metric_variant:=raw",
         f"gt_source_mode:={conf['gt_source_mode']}",