diff --git a/launch/tier4_perception_launch/launch/obstacle_segmentation/ground_segmentation/ground_segmentation.launch.py b/launch/tier4_perception_launch/launch/obstacle_segmentation/ground_segmentation/ground_segmentation.launch.py
index f502aef017979..a307b192d7caa 100644
--- a/launch/tier4_perception_launch/launch/obstacle_segmentation/ground_segmentation/ground_segmentation.launch.py
+++ b/launch/tier4_perception_launch/launch/obstacle_segmentation/ground_segmentation/ground_segmentation.launch.py
@@ -281,7 +281,7 @@ def create_single_frame_obstacle_segmentation_components(self, input_topic, outp
         use_additional = bool(additional_lidars)
         relay_topic = "all_lidars/pointcloud"
         common_pipeline_output = (
-            "single_frame/pointcloud" if use_additional or use_ransac else output_topic
+            "common/pointcloud" if use_additional or use_ransac else output_topic
         )
 
         components = self.create_common_pipeline(