diff --git a/launch/all.launch b/launch/all.launch
index bec2080..d0d5475 100644
--- a/launch/all.launch
+++ b/launch/all.launch
@@ -7,7 +7,7 @@
     <remap from="/filtre/input" to="/camera/xyzrgb/points"/>
   </node>
 
-  <param name="/filtre/zmax" value="50.0" type="double"/>
+  <param name="/filtre/zmax" value="0.9" type="double"/>
 
   <node name="normal_estimator" pkg="hand_control" type="normal_estimator">
     <remap from="/estimator/input" to="/filtre/output"/>