Unbreathable homeworld

[Yimboli]

Hello all -

been playing since se2, stopped for a couple years, and now im gettin back into the swing of things. I bought se4 gold, installed the latest devnullmod for se4 gold, and started playing. I started off with a sweet system - three planets breathable, and one was extra huge (an added size in devnull from what I understand)... and then my jaw hit the floor when I saw that my home planet was domed! I couldn't breathe... on my home planet

I never had this problem in se4 gold without mods, so I assume its because of the devnull mod. Any thoughts? Is there some way I can make it so that homeworlds are always breathable?

Thanks in advance
-Tim