diff --git a/launch/azimut3/config/global_costmap_params.yaml b/launch/azimut3/config/global_costmap_params.yaml
index fefe8b85..643ec7e6 100644
--- a/launch/azimut3/config/global_costmap_params.yaml
+++ b/launch/azimut3/config/global_costmap_params.yaml
@@ -6,6 +6,6 @@ publish_frequency: 2
 always_send_full_costmap: false
 plugins:
    - {name: static_layer, type: "rtabmap_ros::StaticLayer"}
-   - {name: obstacle_layer, type: "costmap_2d:ObstacleLayer"}
+   - {name: obstacle_layer, type: "costmap_2d::ObstacleLayer"}
    - {name: inflation_layer, type: "costmap_2d::InflationLayer"}