Heart of the Wild stopping castsequence macro?

[Drail-draenor]

Hello,

I am trying to use a castsequence macro that will hop me into moonkin form, cast heart of the wild then convoke the spirits.

#showtooltip
/castsequence reset=10 Moonkin Form, Heart of the Wild(Talent), Convoke the Spirits

But it seems to stop after casting heart of the wild. I have tested it with other spells - convoke, then sunfire works, Sunfire then Convoke works, but every time i cast heart of the wild the castsequence stops dead.

Any ideas?

[Orison-stormscale]

Some sequences of spells are literally broken and wont work. I have seen this exact behavior on other classes.