FD Turbulence alpha channel issue ?

[pomeLFT]

Hello,

I'm having some problems with rendering out the smoke in alpha channel. I don't know why does it have some weird white noise in the background.
Does anyone know how to fix this ? or any suggestion ?

Thank you !

[aoktar]

You'll not get any issue when you use in compositing software with alpha. You don't see alpha applied results in picture viewer.

[bertritude]

For me, I had the same thing and choosed to export in .psd format.

after compositing in after effects, it's perfect.