diff --git a/Thermo.Active.Model/Constants.cs b/Thermo.Active.Model/Constants.cs
index b9a814db..c6d26990 100644
--- a/Thermo.Active.Model/Constants.cs
+++ b/Thermo.Active.Model/Constants.cs
@@ -285,6 +285,7 @@ namespace Thermo.Active.Model
         public const string SEND_MESSAGE = "SEND_MESSAGE";
         public const string SEND_STOP_THREADS = "SEND_STOP_THREADS";
         public const string SEND_NC_STATUS = "NC_STATUS";
+        public const string SEND_NC_STATUS_UI = "NC_STATUS_UI";
         public const string SEND_THREADS_STATUS = "THREAD_STATUS";
         public const string SEND_CMSCONNECT_GW_REBOOT_STATUS = "SEND_CMSCONNECT_GW_REBOOT_STATUS";
         public const string SHOW_MSG_UI = "SHOW_MSG_UI";
diff --git a/Thermo.Active.UI/ServerControlWindow.cs b/Thermo.Active.UI/ServerControlWindow.cs
index 08d6af4b..1c2d72f2 100644
--- a/Thermo.Active.UI/ServerControlWindow.cs
+++ b/Thermo.Active.UI/ServerControlWindow.cs
@@ -195,7 +195,7 @@ namespace Thermo.Active.UI
                     }
                 }),
                 // NC status handler
-                MessageServices.Current.Subscribe(SEND_NC_STATUS, (a, b) =>
+                MessageServices.Current.Subscribe(SEND_NC_STATUS_UI, (a, b) =>
                 {
                     bool newNcStatus = (bool)a;