diff --git a/planning/behavior_velocity_planner/autoware_behavior_velocity_no_drivable_lane_module/src/scene.cpp b/planning/behavior_velocity_planner/autoware_behavior_velocity_no_drivable_lane_module/src/scene.cpp
index 42d896fec8ab3..465fd770049e9 100644
--- a/planning/behavior_velocity_planner/autoware_behavior_velocity_no_drivable_lane_module/src/scene.cpp
+++ b/planning/behavior_velocity_planner/autoware_behavior_velocity_no_drivable_lane_module/src/scene.cpp
@@ -149,7 +149,7 @@ void NoDrivableLaneModule::handle_approaching_state(PathWithLaneId * path, StopR
 
   const auto & op_target_point_idx =
     autoware::motion_utils::insertTargetPoint(target_segment_idx, target_point, path->points, 5e-2);
-  size_t target_point_idx;
+  size_t target_point_idx = 0;
   if (op_target_point_idx) {
     target_point_idx = op_target_point_idx.value();
   }