Steam - Windows Game does not detect my controller

[CPTpurrfect]

So pretty much what the title says. It's a Razer Sebretooth.
It does work perfectly fine with other games (tested with Dark Souls 2, Naruto Ultimate Ninja Storm 4).

Any ideas why SG doesn't recognize it...? :/

 

[CPTpurrfect]

Okay restarting my PC magically fixed it.