diff --git a/catkin_ws/src/asclinic_pkg/launch/gmapping.launch b/catkin_ws/src/asclinic_pkg/launch/gmapping.launch
index 6a284005b3ff0b29514eed7378754166e388bba3..8ffda0ec8114596425ddac8a3eea11fbba4efadd 100644
--- a/catkin_ws/src/asclinic_pkg/launch/gmapping.launch
+++ b/catkin_ws/src/asclinic_pkg/launch/gmapping.launch
@@ -30,8 +30,8 @@
     <param name="ymin" value="-10.0"/>
     <param name="xmax" value="10.0"/>
     <param name="ymax" value="3.0"/>
-    <param name="maxUrange" value="10.0"/>
-    <param name="maxRange" value="10.0"/>
+    <param name="maxUrange" value="8.0"/>
+    <param name="maxRange" value="8.0"/>
     <remap from="scan" to="/asc/scan"/>
   </node>