diff --git a/compact/tof_endcap.xml b/compact/tof_endcap.xml
index 64ef3c0e39a67074f16eb59e95aa26965949f297..188e56d46084f4a12d46231d671fc2b0ea15d3ad 100644
--- a/compact/tof_endcap.xml
+++ b/compact/tof_endcap.xml
@@ -10,11 +10,11 @@
     <constant name="ForwardTOF_length"           value="min(ForwardTOFRegion_length, 2.*cm)"/>
     <constant name="ForwardTOF_zmin"             value="ForwardTOFRegion_zmin + ForwardTOFRegion_length - ForwardTOF_length - 1*cm"/>
     <constant name="ForwardTOF_nlayers"          value="2"/>
-    <constant name="ForwardTOFMod_offset"        value="1.5*cm"/>
+    <constant name="ForwardTOFMod_offset"        value="1.2*cm"/>
     <constant name="BackwardTOF_length"          value="min(BackwardTOFRegion_length, 2.*cm)"/>
-    <constant name="BackwardTOF_zmin"            value="BackwardTOFRegion_zmin"/>
+    <constant name="BackwardTOF_zmin"            value="BackwardTOFRegion_zmin + 0.5*cm"/>
     <constant name="BackwardTOF_nlayers"         value="2"/>
-    <constant name="BackwardTOFMod_offset"       value="1.5*cm"/>
+    <constant name="BackwardTOFMod_offset"       value="1.3*cm"/>
     
     <comment> LGAD parameters for the endcap TOFs </comment>
     <constant name="TOFEndcapSensor_thickness"   value="300*um" />