diff --git a/simulator/simple_planning_simulator/include/simple_planning_simulator/vehicle_model/articulate/sim_model_delay_articulate_acc_geared.hpp b/simulator/simple_planning_simulator/include/simple_planning_simulator/vehicle_model/articulate/sim_model_delay_articulate_acc_geared.hpp
index c601eaf07b865..cefcdb5e1b71f 100644
--- a/simulator/simple_planning_simulator/include/simple_planning_simulator/vehicle_model/articulate/sim_model_delay_articulate_acc_geared.hpp
+++ b/simulator/simple_planning_simulator/include/simple_planning_simulator/vehicle_model/articulate/sim_model_delay_articulate_acc_geared.hpp
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef SIMPLE_PLANNING_SIMULATOR__VEHICLE_MODEL__SIM_MODEL_DELAY_ARTICULATE_ACC_GEARED_HPP_
-#define SIMPLE_PLANNING_SIMULATOR__VEHICLE_MODEL__SIM_MODEL_DELAY_ARTICULATE_ACC_GEARED_HPP_
+#ifndef SIMPLE_PLANNING_SIMULATOR__VEHICLE_MODEL__ARTICULATE__SIM_MODEL_DELAY_ARTICULATE_ACC_GEARED_HPP_
+#define SIMPLE_PLANNING_SIMULATOR__VEHICLE_MODEL__ARTICULATE__SIM_MODEL_DELAY_ARTICULATE_ACC_GEARED_HPP_
 
 #include "simple_planning_simulator/vehicle_model/sim_model_interface.hpp"
 
@@ -164,4 +164,4 @@ class SimModelDelayArticulateAccGeared : public SimModelInterface
     const double dt);
 };
 
-#endif  // SIMPLE_PLANNING_SIMULATOR__VEHICLE_MODEL__SIM_MODEL_DELAY_ARTICULATE_ACC_GEARED_HPP_
+#endif  // SIMPLE_PLANNING_SIMULATOR__VEHICLE_MODEL__ARTICULATE__SIM_MODEL_DELAY_ARTICULATE_ACC_GEARED_HPP_