diff --git a/autoware_launch/config/perception/obstacle_segmentation/ground_segmentation/ground_segmentation.param.yaml b/autoware_launch/config/perception/obstacle_segmentation/ground_segmentation/ground_segmentation.param.yaml
index 9a26840e34..dfec4d0c07 100644
--- a/autoware_launch/config/perception/obstacle_segmentation/ground_segmentation/ground_segmentation.param.yaml
+++ b/autoware_launch/config/perception/obstacle_segmentation/ground_segmentation/ground_segmentation.param.yaml
@@ -28,4 +28,4 @@
         grid_mode_switch_radius: 20.0
         gnd_grid_buffer_size: 4
         detection_range_z_max: 2.5
-        elevation_grid_mode: true
+        elevation_grid_mode: false