diff --git a/launch/ricbot_robot.launch.py b/launch/ricbot_robot.launch.py
index 94ed5bf..6f9ede1 100644
--- a/launch/ricbot_robot.launch.py
+++ b/launch/ricbot_robot.launch.py
@@ -70,8 +70,8 @@ def generate_launch_description():
         DeclareLaunchArgument("3d_sensor",     default_value="d435"),
         DeclareLaunchArgument("robot_name",    default_value="eve"),
 
-        DeclareLaunchArgument("kobuki_usb", default_value='/dev/ttyUSB1'),
-        DeclareLaunchArgument("lidar_usb", default_value='/dev/ttyUSB0'),
+        DeclareLaunchArgument("kobuki_usb", default_value='/dev/kobuki'),
+        DeclareLaunchArgument("lidar_usb", default_value='/dev/lidar'),
 
         OpaqueFunction(function=launch_setup)
     ])