Unlocking alliance settings

I set a trigger in the new version of my map that has
Event:
Elapsed time 0.01 seconds
Conditions:
None
Actions:
Set Map Flag, Game - Lock alliance settings: off

now, I'd think this would make the alliances changeable in the allies menu, simply by checking and unchecking the boxes... but for some reason it doesn't seem to work. The alliances still seem to be locked...

nevermind... I figured out I had to do it at map init