diff --git a/site_ansto/instrument/emu/sics_simulation.tcl b/site_ansto/instrument/emu/sics_simulation.tcl
index 61074dae..6e355317 100644
--- a/site_ansto/instrument/emu/sics_simulation.tcl
+++ b/site_ansto/instrument/emu/sics_simulation.tcl
@@ -12,7 +12,7 @@ foreach {simflag         icsval    fakedev} {
   motor_simulation       false     false
   chopper_simulation     false     true
   velsel_simulation      false     true
-  plc_simulation         false     true
+  plc_simulation         true      true
   rfgen_simulation       false     true
   goniometer_simulation  false     true
   magnetic_simulation    false     true