diff --git a/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml b/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml
index 4f631eb52d4fd73583c61db951c78630eab0e816..454b765e90f6cbbe7d5c136b5421be250e7e32ac 100644
--- a/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml
+++ b/Detector/DetCRD/compact/CRD_o1_v01/CRD_Dimensions_v01_01.xml
@@ -82,6 +82,7 @@
     <constant name="Vertex_inner_radius" value="BeamPipe_Central_inner_radius+BeamPipe_Be_total_thickness"/>
     <constant name="Vertex_outer_radius" value="101*mm"/>
     <constant name="Vertex_half_length"  value="200*mm"/>
+    <constant name="Vertex_Side_rmin"    value="BeamPipe_VertexRegion_rmax"/>
 
     <constant name="DC_Endcap_dz" value="0.1*mm"/>
     <constant name="DC_half_length"  value="2980*mm" />
@@ -150,7 +151,7 @@
     <constant name="Ecal_barrel_inner_radius" value="1860*mm"/><!--1900->1860, since 1900-2180 is range for symmetry=12, but now fixed as 8 in constructor code-->
     <constant name="Ecal_barrel_thickness"    value="280*mm"/>
     <constant name="Ecal_barrel_outer_radius" value="(Ecal_barrel_inner_radius+Ecal_barrel_thickness)/cos(pi/8)"/>
-    <constant name="Ecal_barrel_half_length"  value="3350*mm"/>
+    <constant name="Ecal_barrel_half_length"  value="3300*mm"/>
     <constant name="Ecal_barrel_symmetry"    value="8"/>
 
     <constant name="Ecal_endcap_inner_radius" value="350*mm"/>