diff --git a/EduNetworkBuilder/DeviceConfig.cs b/EduNetworkBuilder/DeviceConfig.cs
index d5bef25..e2423d8 100644
--- a/EduNetworkBuilder/DeviceConfig.cs
+++ b/EduNetworkBuilder/DeviceConfig.cs
@@ -77,6 +77,10 @@ namespace EduNetworkBuilder
             {
                 NetworkDevice ndCLonedItem = (NetworkDevice)ClonedItem;
 
+                if (ndCLonedItem.DoesFirewall())
+                    cbFirewall.Visible = true;
+                else
+                    cbFirewall.Visible = false;
 
                 bool nicLocked = false;
                 bool interfacesLocked = false;