diff --git a/description/robot_core.xacro b/description/robot_core.xacro
index 6806749..fa9833e 100644
--- a/description/robot_core.xacro
+++ b/description/robot_core.xacro
@@ -6,7 +6,7 @@
 
     <xacro:property name="chassis_length" value="0.600"/>
     <xacro:property name="chassis_width" value="0.330"/>
-    <xacro:property name="chassis_height" value="0.23"/>
+    <xacro:property name="chassis_height" value="0.155"/>
     <xacro:property name="chassis_mass" value="15.0"/>
     <xacro:property name="wheel_radius" value="0.135"/>
     <xacro:property name="wheel_thickness" value="0.080"/>