diff --git a/site_ansto/instrument/server_config.tcl b/site_ansto/instrument/server_config.tcl
index f01d4d6a..8f4b5908 100644
--- a/site_ansto/instrument/server_config.tcl
+++ b/site_ansto/instrument/server_config.tcl
@@ -15,23 +15,27 @@ set quieckport    60004
 # false: The real driver will be used.
 # icsval column = settings when running on the Instrument Control Server (ie SICS_SIMULATION not defined)
 # fakedev column = settings for test platforms (ie SICS_SIMULATION=fakedev)
-foreach {simflag         icsval    fakedev} {
-  opal_simulation        false     true
-  detector_simulation    false     true
-  hmm_simulation         false     true
-  environment_simulation false     false
-  counter_simulation     false     true
-  motor_simulation       false     false
-  chopper_simulation     false     true
-  velsel_simulation      false     true
-  plc_simulation         false     true
-  rfgen_simulation       false     true
-  goniometer_simulation  false     true
-  magnetic_simulation    false     true
-} {
-  dict set SIMFLAG_VAL $simflag ICSVAL  $icsval
-  dict set SIMFLAG_VAL $simflag FAKEDEV $fakedev
-  VarMake $simflag Text internal
+if [file exists ./sics_simulation.tcl] {
+  source ./sics_simulation.tcl
+} else {
+  foreach {simflag         icsval    fakedev} {
+    opal_simulation        false     true
+    detector_simulation    false     true
+    hmm_simulation         false     true
+    environment_simulation false     false
+    counter_simulation     false     true
+    motor_simulation       false     false
+    chopper_simulation     false     true
+    velsel_simulation      false     true
+    plc_simulation         false     true
+    rfgen_simulation       false     true
+    goniometer_simulation  false     true
+    magnetic_simulation    false     true
+  } {
+    dict set SIMFLAG_VAL $simflag ICSVAL  $icsval
+    dict set SIMFLAG_VAL $simflag FAKEDEV $fakedev
+    VarMake $simflag Text internal
+  }
 }
 
 VarMake sics_simulation Text internal
@@ -120,7 +124,9 @@ if {[info exists env(SICS_SIMULATION)] != 1} {
 }
 
 fileeval util/config_reader.tcl
-if [file exists ../sics_config.ini] {
+if [file exists ./sics_config.ini] {
+  set config_dict [config_reader::parse_file ./sics_config.ini]
+} elseif [file exists ../sics_config.ini] {
   set config_dict [config_reader::parse_file ../sics_config.ini]
 }