Alien Commander push to talk key is wrong

EvilBobs

I just played a game as Alien commander and I had to talk to the team using left-alt rather than mouse button 3. I checked the options afterwards and it was definitely bound to team chat on mouse button 3. Is this a known issue?

Thanks

GhoulofGSG9

Already had one thread about this today: http://forums.unknownworlds.com/discussion/133383/