diff --git a/launch/autoware_launch/launch/planning_simulator.launch.xml b/launch/autoware_launch/launch/planning_simulator.launch.xml
index 64273dd3d9c20..54b206413120e 100644
--- a/launch/autoware_launch/launch/planning_simulator.launch.xml
+++ b/launch/autoware_launch/launch/planning_simulator.launch.xml
@@ -18,7 +18,7 @@
   <include file="$(find-pkg-share vehicle_launch)/launch/vehicle.launch.xml">
     <arg name="vehicle_model" value="$(var vehicle_model)"/>
     <arg name="sensor_model" value="$(var sensor_model)"/>
-    <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.yaml"/>
+    <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.param.yaml"/>
     <arg name="simulation" value="true"/>
     <arg name="initial_engage_state" value="$(var initial_engage_state)"/>
   </include>
@@ -43,12 +43,12 @@
 
   <!-- Planning -->
   <include file="$(find-pkg-share planning_launch)/launch/planning.launch.xml">
-    <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.yaml"/>
+    <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.param.yaml"/>
   </include>
 
   <!-- Control -->
   <include file="$(find-pkg-share control_launch)/launch/control.launch.xml">
-    <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.yaml"/>
+    <arg name="vehicle_param_file" value="$(find-pkg-share $(var vehicle_model)_description)/config/vehicle_info.param.yaml"/>
     <arg name="lateral_controller_mode" value="mpc_follower" doc="options: mpc_follower, pure_pursuit"/>
   </include>