diff --git a/launch/tier4_simulator_launch/launch/simulator.launch.xml b/launch/tier4_simulator_launch/launch/simulator.launch.xml
index 0f4b7a68b5356..c4808f08e740e 100644
--- a/launch/tier4_simulator_launch/launch/simulator.launch.xml
+++ b/launch/tier4_simulator_launch/launch/simulator.launch.xml
@@ -124,6 +124,8 @@
   <!-- Dummy localization -->
   <group if="$(var launch_dummy_localization)">
     <include file="$(find-pkg-share pose_initializer)/launch/pose_initializer.launch.xml">
+      <arg name="user_defined_initial_pose/enable" value="false"/>
+      <arg name="user_defined_initial_pose/pose" value="[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0]"/>
       <arg name="ndt_enabled" value="false"/>
       <arg name="gnss_enabled" value="false"/>
       <arg name="ekf_enabled" value="false"/>