diff --git a/compact/tof_barrel.xml b/compact/tof_barrel.xml
index e4eee8b4c862e9d86b75cd21d1b7c4ecbda6a8b2..68ecff500662332c0a6a9a066fc8015aae5c7988 100644
--- a/compact/tof_barrel.xml
+++ b/compact/tof_barrel.xml
@@ -51,10 +51,16 @@
 
       <comment> Define available modules </comment>
       <module name="UFSD">
+          <frame width="15*mm"  height="3.0*mm" length="VertexTrackerBarrel_length" thickness="0.1 * mm" material="CarbonFiber_25percent" vis="BlueGreenVis" />
+          <module_component name="silicon" width="14.0*mm" length="VertexTrackerBarrel_length-0.1*mm"
+            thickness="0.05*mm" material="Silicon" sensitive="true">
+            <position z="-0.025*mm" y="0*mm"/>
+          </module_component>
+        <!--
         <frame width="BarrelTOFModuleWidth"  height="3.0*mm" length="BarrelTOFModuleLength" thickness="0.1 * mm" material="CarbonFiber_25percent" vis="BlueGreenVis" />
         <module_component width="BarrelTOFModuleWidth*0.9" length="BarrelTOFModuleLength*0.9" thickness="BarrelTOFThickness_PEEK" material="PEEK" sensitive="false">
             <position x="BarrelTOFP0" />
-        </module_component>
+        </module_component>-->
         <!--
         <module_component width="BarrelTOFModuleWidth" length="BarrelTOFModuleLength" thickness="BarrelTOFThickness_Fiber1" material="CarbonFiber_50D" sensitive="false">
             <position x="BarrelTOFP1" />