diff --git a/site_ansto/instrument/tas/hostport_config_test.tcl b/site_ansto/instrument/tas/hostport_config_test.tcl
index e033fd03..39f5cf40 100644
--- a/site_ansto/instrument/tas/hostport_config_test.tcl
+++ b/site_ansto/instrument/tas/hostport_config_test.tcl
@@ -6,7 +6,7 @@ foreach {key host port} {
   MC2 localhost 62731
   MC3 localhost 62732
   MC4 localhost 62733
-  MC6 localhost 62734
+  MC6 localhost 62735
 } {
   dict set MOTOR_HOSTPORT $key HOST $host
   dict set MOTOR_HOSTPORT $key PORT $port