Wisdom saves or checks not taking ability score modifies into account.

[jmaclauchlan]

5e Rule set
My last two sessions I noticed that wisdom saves were not working as they should for NPCs, FGU wasnt not taking into stat modifiers for either the save DC or for saving throws versus Wisdom.
Example1: 12th level wizard; the spell dc was showing as 10 for spells attacking Wisdom other spells were 18.
Example2: a horde of standard zombies were doing wisdom saves versus Spirit Guardians; clicking on the [S} FGU was just taking the die roll and not applying the monitor ( WIS 6 (-2))
Dex saves were working as they should.
:confused:
Bug?

[Zacchaeus]

Zombie Wisdom saving throws are at +0 as noted on the NPC sheet. So they don't roll at a -2 penalty.
Not sure about the Wizard - I'd need to see the character sheet or some other information.