Sorry there is no way around this. Many devices work like this; sending a PC message is telling the device to load the Program, even if it is already loaded.

Do you have spillover enabled? That might be able to get your tails to ring out when the Program is reloaded. See page 48 of the user manual: https://s3.amazonaws.com/com.eventide.downloads/Product+Manuals/Space_UG_142335.pdf