diff --git a/orbbec_camera/launch/gemini2.launch.py b/orbbec_camera/launch/gemini2.launch.py
index 93711f82..bbb80c78 100644
--- a/orbbec_camera/launch/gemini2.launch.py
+++ b/orbbec_camera/launch/gemini2.launch.py
@@ -44,7 +44,7 @@ def generate_launch_description():
         DeclareLaunchArgument("enable_color_auto_white_balance", default_value="true"),
         DeclareLaunchArgument("color_white_balance", default_value="-1"),
         DeclareLaunchArgument("color_brightness", default_value="-1"),
-        DeclareLaunchArgument('color_denoising_level', default_value='-1')
+        DeclareLaunchArgument('color_denoising_level', default_value='-1'),
         DeclareLaunchArgument('enable_color_decimation_filter', default_value='false'),
         DeclareLaunchArgument('color_decimation_filter_scale', default_value='-1'),
         DeclareLaunchArgument("depth_width", default_value="0"),