Missing stabilizers for 2.5u keys

[TBog]

I've tried to generate a CAD with 2u, 2.25u, 2.5u and 2.75u keys and I'm missing stabilizers for the 2.5u key. Is this intended?

[{a:7,w:2},"",{w:2.25},"",{w:2.5},"",{w:2.75},""]