Anyone know why my follower won't come through doors?

He's a new actor I made, based on the original fox creature type. I created all new race, skin, armor, etc, everything that goes along with creating the new race in order to not affect the base CrFox actor. I created the new actor with the CurrentFollowerFaction, PotentialFollowerFaction, and a unique Faction I made and placed both him and the player in. He has the PlayerFollowPackage and PlayerFollowCombatOveridePackages for AI Packages. I also made a copy of and attached the DefaultSandboxCurrentLocation1024 to him, specific to his race.

I created a magic effect that summons him to me using the Summon Creature archetype and he summons no problem. He'll follow me around and will defend me or fight for me but he won't follow me through doors.

There are no scripts attached anywhere,

Has anyone run into this and can point out what I'm doing wrong? Is it because he is a creature and creatures can't use doors? I bet that's it. Let me check.


EDIT: There is indeed an option on the race dialog to flag "Can't Open Doors."

D'oh. Case closed.