diff --git a/launch/navigation.launch.py b/launch/navigation.launch.py
index 34621fa..31eae9f 100644
--- a/launch/navigation.launch.py
+++ b/launch/navigation.launch.py
@@ -90,7 +90,7 @@ def generate_launch_description():
         ),
         launch_arguments={
             'use_sim_time': use_sim_time,
-            'rviz': rviz
+            'rviz': rviz,
             'namespace': namespace
         }.items()
     )