Multiple MAC addresses for one hostname with static DHCP

[pvencill]

Setting up my pfsense for the first time, and I was setting up static DHCP for the various devices in my house, so that I can more easily identify each of them in logs, etc.  The form does not seem to like it when one host (ie. hostname) has two NICs.  The form validation requires me to put different hostnames, even when they're logically the same host.  I can understand not wanting to map the same IP address twice, but unique hostnames seem to be an odd restriction.

Is there a good reason for this that I'm not understanding?  Conversely, is there any way around this, or do I need to make hostnames like MyPC-Wifi and MyPC-Ethernet?