diff --git a/launch/adc_global_localization.launch b/launch/adc_global_localization.launch
index 831417c24ab24405528e276dfc5ee8deee9788fe..bef79cccf69c22ca756e25a14c4dfb5cf435e14c 100644
--- a/launch/adc_global_localization.launch
+++ b/launch/adc_global_localization.launch
@@ -31,6 +31,7 @@
       <param name="marker_size"           type="double" value="$(arg marker_size)" />
       <param name="max_new_marker_error"  type="double" value="0.08" />
       <param name="max_track_error"       type="double" value="0.2" />
+      <param name="marker_margin"         type="double" value="1.0" />
       <param name="output_frame"          type="string" value="$(arg car_name)/front_camera_uvc_camera_optical" />
       <remap from="/$(arg car_name)/camera_image"     to="/$(arg car_name)/sensors/basler_camera/inverted_image_raw" />
       <remap from="/$(arg car_name)/camera_info"      to="/$(arg car_name)/sensors/basler_camera/camera_info" />