diff --git a/planning/obstacle_stop_planner/src/node.cpp b/planning/obstacle_stop_planner/src/node.cpp
index d8c5bd14483ca..45a9757175f81 100644
--- a/planning/obstacle_stop_planner/src/node.cpp
+++ b/planning/obstacle_stop_planner/src/node.cpp
@@ -663,7 +663,7 @@ void ObstacleStopPlannerNode::searchObstacle(
 
   const auto now = this->now();
   const bool is_stopping = (std::fabs(current_velocity_ptr->twist.twist.linear.x) < 0.001);
-  const double history_erase_sec = (is_stopping) ? node_param_.chattering_threshold : 0.0; 
+  const double history_erase_sec = (is_stopping) ? node_param_.chattering_threshold : 0.0;
   updateObstacleHistory(now, history_erase_sec);
 
   for (size_t i = 0; i < decimate_trajectory.size() - 1; ++i) {