diff --git a/site_ansto/instrument/config/environment/sct_keysight_N8740A.tcl b/site_ansto/instrument/config/environment/sct_keysight_N8740A.tcl
index 839afea7..3cd79eec 100644
--- a/site_ansto/instrument/config/environment/sct_keysight_N8740A.tcl
+++ b/site_ansto/instrument/config/environment/sct_keysight_N8740A.tcl
@@ -752,7 +752,7 @@ namespace eval ::scobj::keysight_N8740A {
 
 proc add_keysight_N8740A {name ip_address tcp_port} {
   set simulation_flag "[string tolower [SplitReply [environment_simulation]]]"
-  ::scobj::keysight_N8740A::add_driver ${name} "environment" ${simulation_flag} ${ip_address} ${tcp_port}
+  ::scobj::keysight_N8740A::add_driver ${name} "instrument" ${simulation_flag} ${ip_address} ${tcp_port}
 }
 
 clientput "file evaluation of sct_keysight_N8740A.tcl"
@@ -764,7 +764,7 @@ proc ::scobj::keysight_N8740A::read_config {} {
     dict for {k u} $::config_dict {
       if { [dict exists $u "implementation"] } {
         set simulation_flag "[string tolower [SplitReply [environment_simulation]]]"
-        set device_class "environment"
+        set device_class "instrument"
         if { !([dict exists $u "name"] && [dict exists $u "enabled"]) } {
           continue
         }