diff --git a/nav2_bringup/bringup/launch/nav2_bringup_launch.py b/nav2_bringup/bringup/launch/nav2_bringup_launch.py
index 5ad36b7080a47a9cf9e4b19eb9b7e0cce08a7981..8f68d521abfc11f726ec5af1ec3cd20b2daa713d 100644
--- a/nav2_bringup/bringup/launch/nav2_bringup_launch.py
+++ b/nav2_bringup/bringup/launch/nav2_bringup_launch.py
@@ -47,7 +47,7 @@ def generate_launch_description():
 
     declare_namespace_cmd = DeclareLaunchArgument(
         'namespace',
-        default_value='navigation',
+        default_value='',
         description='Top-level namespace')
 
     declare_use_namespace_cmd = DeclareLaunchArgument(