diff --git a/site_ansto/instrument/sans/config/velsel/velsel.tcl b/site_ansto/instrument/sans/config/velsel/velsel.tcl
index ecf43ea1..1569ecaf 100644
--- a/site_ansto/instrument/sans/config/velsel/velsel.tcl
+++ b/site_ansto/instrument/sans/config/velsel/velsel.tcl
@@ -1,5 +1,5 @@
 # Set currVelSel to select either the NVS40 or NVS43
-set currVelSel 43
+set currVelSel 40
 
 namespace eval ::scobj::velocity_selector {
   variable blocked_speeds