diff --git a/turtlebot4_navigation/turtlebot4_navigation/turtlebot4_navigator.py b/turtlebot4_navigation/turtlebot4_navigation/turtlebot4_navigator.py
index 451c70f..53ad865 100644
--- a/turtlebot4_navigation/turtlebot4_navigation/turtlebot4_navigator.py
+++ b/turtlebot4_navigation/turtlebot4_navigation/turtlebot4_navigator.py
@@ -52,8 +52,8 @@ class TurtleBot4Navigator(BasicNavigator):
     is_docked = None
     creating_path = False
 
-    def __init__(self):
-        super().__init__()
+    def __init__(self, namespace=''):
+        super().__init__(namespace=namespace)
 
         self.create_subscription(DockStatus,
                                  'dock_status',