diff --git a/site_ansto/instrument/config/environment/temperature/sct_lakeshore_336.tcl b/site_ansto/instrument/config/environment/temperature/sct_lakeshore_336.tcl
index 08bb5196..f14c3284 100644
--- a/site_ansto/instrument/config/environment/temperature/sct_lakeshore_336.tcl
+++ b/site_ansto/instrument/config/environment/temperature/sct_lakeshore_336.tcl
@@ -1049,13 +1049,13 @@ proc check {tc_root whichCtrlLoop} {
         set bCheckLimits [get_param $tc_root checkAlarmLimitsD]
       }
       default {
-        error "sct_ls336.tcl check(): Can't set setpoint. No valid input sensor specified for this output control loop."
+        error "sct_lakeshore_336.tcl check(): Can't set setpoint. No valid input sensor specified for this output control loop."
       }
     }
     # clientput "check(): doCheck:$bCheckLimits  lolimit=$lolimit  setpoint=$setpoint   hilimit=$hilimit"
     if {$bCheckLimits == 1} {
       if {$setpoint < $lolimit || $setpoint > $hilimit} {
-        error "sct_ls336.tcl: setpoint $tc_root/sensor/sensorValue$whichSensor violates set alarm limits"
+        error "sct_lakeshore_336.tcl: setpoint $tc_root/sensor/sensorValue$whichSensor violates set alarm limits"
       }
     }
   } message ]} {
diff --git a/site_ansto/instrument/config/environment/temperature/sct_lakeshore_340.tcl b/site_ansto/instrument/config/environment/temperature/sct_lakeshore_340.tcl
index dcfb0196..da8a9dee 100644
--- a/site_ansto/instrument/config/environment/temperature/sct_lakeshore_340.tcl
+++ b/site_ansto/instrument/config/environment/temperature/sct_lakeshore_340.tcl
@@ -1176,13 +1176,13 @@ proc check {tc_root whichCtrlLoop} {
         set bCheckLimits $::scobj::ls340::checkAlarmLimitsD
       }
       default {
-        error "sct_ls340.tcl check(): Can't set setpoint. No valid input sensor specified for this output control loop."
+        error "sct_lakeshore_340.tcl check(): Can't set setpoint. No valid input sensor specified for this output control loop."
       }
     }
     # clientput "check(): doCheck:$bCheckLimits  lolimit=$lolimit  setpoint=$setpoint   hilimit=$hilimit"
     if {$bCheckLimits == 1} {
       if {$setpoint < $lolimit || $setpoint > $hilimit} {
-        error "sct_ls340.tcl: setpoint $tc_root/sensor/sensorValue$whichSensor violates set alarm limits"
+        error "sct_lakeshore_340.tcl: setpoint $tc_root/sensor/sensorValue$whichSensor violates set alarm limits"
       }
     }
   } message ]} {