diff --git a/config/nav2_params.yaml b/config/nav2_params.yaml
index 2c52528..e9ebf07 100644
--- a/config/nav2_params.yaml
+++ b/config/nav2_params.yaml
@@ -468,7 +468,7 @@ global_costmap:
       robot_base_frame: base_link
       use_sim_time: False
       #robot_radius: 0.50
-      footprint: "[ [0.21, 0.255], [0.21, -0.255], [-0.52, -0.255], [-0.52, 0.255] ]"
+      footprint: "[ [0.18, 0.255], [0.18, -0.255], [-0.54, -0.165], [-0.54, 0.165] ]" # gave another points for the polygon
       resolution: 0.05
       track_unknown_space: true
       plugins: ["static_layer", "obstacle_layer", "inflation_layer", "denoise_layer"]