Timer to break until loop?

[c4p]

Why would this code not break out of loop?

Code: Select all

global timeleft =  True
Settimer, AbortWait, -3000
Loop
	Sleep, 50
Until (!timeleft)
Msgbox,,,%timeleft%
return

AbortWait: 
timeleft = False
return

[kon]

timeleft := False

[c4p]

Thank you.