diff --git a/launch/sllidar_a1_launch.py b/launch/sllidar_a1_launch.py
index b1ad70f..d86b91b 100644
--- a/launch/sllidar_a1_launch.py
+++ b/launch/sllidar_a1_launch.py
@@ -17,7 +17,7 @@ def generate_launch_description():
     frame_id = LaunchConfiguration('frame_id', default='laser')
     inverted = LaunchConfiguration('inverted', default='false')
     angle_compensate = LaunchConfiguration('angle_compensate', default='true')
-    scan_mode = LaunchConfiguration('scan_mode', default='Sensitivity')
+    scan_mode = LaunchConfiguration('scan_mode', default='Standard')
     
     return LaunchDescription([
 
diff --git a/launch/view_sllidar_a1_launch.py b/launch/view_sllidar_a1_launch.py
index 0959e7b..ef803a3 100644
--- a/launch/view_sllidar_a1_launch.py
+++ b/launch/view_sllidar_a1_launch.py
@@ -17,7 +17,7 @@ def generate_launch_description():
     frame_id = LaunchConfiguration('frame_id', default='laser')
     inverted = LaunchConfiguration('inverted', default='false')
     angle_compensate = LaunchConfiguration('angle_compensate', default='true')
-    scan_mode = LaunchConfiguration('scan_mode', default='Sensitivity')
+    scan_mode = LaunchConfiguration('scan_mode', default='Standard')
 
     rviz_config_dir = os.path.join(
             get_package_share_directory('sllidar_ros2'),