diff --git a/site_ansto/instrument/config/environment/temperature/sct_oxford_mercury.tcl b/site_ansto/instrument/config/environment/temperature/sct_oxford_mercury.tcl
index 2e86f952..24ecf683 100644
--- a/site_ansto/instrument/config/environment/temperature/sct_oxford_mercury.tcl
+++ b/site_ansto/instrument/config/environment/temperature/sct_oxford_mercury.tcl
@@ -919,6 +919,6 @@ if { [ info exists ::config_dict ] && [ dict get $::config_dict mercury_scipi en
   set cid   [dict get $::config_dict mercury_scipi id]
   set tol [dict get $::config_dict mercury_scipi tol]
   set term [dict get $::config_dict mercury_scipi terminator]
-  add_oxford_mercury $name $IP $PORT $ctype $cid {*}$term $tol
+  add_oxford_mercury $name $IP $PORT $cid $ctype {*}$term $tol
 }