diff --git a/launch/azimut3/az3_mapping_robot_stereo_nav.launch b/launch/azimut3/az3_mapping_robot_stereo_nav.launch
index 63e9f486..9deae37a 100644
--- a/launch/azimut3/az3_mapping_robot_stereo_nav.launch
+++ b/launch/azimut3/az3_mapping_robot_stereo_nav.launch
@@ -28,7 +28,7 @@
     	  <rosparam file="$(find rtabmap_ros)/launch/azimut3/config/costmap_common_params.yaml" command="load" ns="global_costmap" />
      	  <rosparam file="$(find rtabmap_ros)/launch/azimut3/config/costmap_common_params.yaml" command="load" ns="local_costmap" />
     	  <rosparam file="$(find rtabmap_ros)/launch/azimut3/config/local_costmap_params_3d.yaml" command="load" />
-    	  <rosparam file="$(find rtabmap_ros)/launch/azimut3/config/global_costmap_params.yaml" command="load" />
+    	  <rosparam file="$(find rtabmap_ros)/launch/azimut3/config/global_costmap_params.yaml" command="load" ns="global_costmap"/>
     	  <rosparam file="$(find rtabmap_ros)/launch/azimut3/config/base_local_planner_params.yaml" command="load" />
    		</node>