Straight-Walk Button doesn't work (cmd)

[Nightstar]

Hiya 
Soo the button I'm talking about is the, I think right (or left not sure o.O) cmd button.
When you click it your char walks straight and no matter where you turn the camera it will always walk straight forward.
It always used to work for me but since a few days nothing happens anymore when I click it. I already restarted the pc and everything, but it still doesn't work.
Any ideas how I could fix that?
Thanks! c:

[Preach]

In order for character to have the straight walk, press on Alt. I think.

[Nightstar]

Doesn't work with alt for me..
As I said, usually I could do that with cmd, but somehow it stopped working. ;o;

[Edolicious]

Try using the rightside ctrl button.

[Nightstar]

I did, I tried left and right but nothing happens.

[Preach]

Click where it says ESC and click where it says option. You have the power to change the controls there.

[Ruby1234]

In addition to changing the controls, you can also Esc to Options and change the Running Mode from Interface, by checking or unchecking the box:

[Nightstar]

Thaanks I knew I could change the controls but I didn't know running mode was that straight walking thing c:
It's working again Thanks a lot everyone! ^^

[Kerriki]

Locking this since the issue is no longer there c: