diff --git a/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/lane_change/lane_change.param.yaml b/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/lane_change/lane_change.param.yaml
index 0987c65330..c0d895f89f 100644
--- a/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/lane_change/lane_change.param.yaml
+++ b/autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/lane_change/lane_change.param.yaml
@@ -1,6 +1,7 @@
 /**:
   ros__parameters:
     lane_change:
+      backward_lane_length: 200.0 #[m]
       prepare_duration: 4.0         # [s]
 
       backward_length_buffer_for_end_of_lane: 3.0 # [m]