diff --git a/compact/tof_barrel.xml b/compact/tof_barrel.xml
index 1d7cb03874b02399f90551692895829bd2f7239b..56dd1d98d72297e9807173c8f781363256d80ef4 100644
--- a/compact/tof_barrel.xml
+++ b/compact/tof_barrel.xml
@@ -89,7 +89,7 @@
         <z_layout dr="0.0 * mm" z0="0.0 * mm" nz="BarrelTOFModulesNZ"/>
       </layer>
 
-      <layer module="BarrelTOFModule_Layer" id="1" vis="GreenVis">
+      <layer module="BarrelTOFModule_Layer" id="2" vis="GreenVis">
         <barrel_envelope inner_r="BarrelTOFRadius" outer_r="BarrelTOFRadius + 30.0*mm" z_length="BarrelTOFTotalLength +1.0*mm "/>
         <rphi_layout phi_tilt="0.17506" nphi="BarrelTOFModulesNPhi" phi0="0." rc="BarrelTOFRadius + 10.0 * mm" dr="0.0 * mm"/>
         <z_layout dr="4.0 * mm"