Curse magnitude/increased area of effect and weaponswap.

In 0.3 I had the following setup.
2 weapon sets. On my 2nd set, I used some curse magnitude nodes, as well as some curse AoE nodes. When using Blasphemy, you have to check both weapon set 1 and 2. However when you click your slotted curse, you could set this to your weapon set 2 (with the curse nodes). This improved the slotted curse in Blasphemy.

I am currently doing the same in 0.4 with Vulnerability slotted into Blasphemy and this is not working anymore. Is this intentional or a bug?