diff --git a/chapt7/chapt7_ws/src/fishbot_description/urdf/fishbot/plugins/gazebo_sensor_plugin.xacro b/chapt7/chapt7_ws/src/fishbot_description/urdf/fishbot/plugins/gazebo_sensor_plugin.xacro
index c45ad66..8c7b381 100644
--- a/chapt7/chapt7_ws/src/fishbot_description/urdf/fishbot/plugins/gazebo_sensor_plugin.xacro
+++ b/chapt7/chapt7_ws/src/fishbot_description/urdf/fishbot/plugins/gazebo_sensor_plugin.xacro
@@ -6,7 +6,7 @@
                 <plugin name="laserscan" filename="libgazebo_ros_ray_sensor.so">
                     <ros>
                         <namespace>/</namespace>
-                        <remapping>~/out:=scan1</remapping>
+                        <remapping>~/out:=scan</remapping>
                     </ros>
                     <output_type>sensor_msgs/LaserScan</output_type>
                     <frame_name>laser_link</frame_name>