It seems when ever i use spear bands against a enemy unit during sieges, the Spear warbands always do the same stupid thing whether they are assaulting a broken wooden wall or in attacking the plaza

ok heres my example: O=enemy unit
arrows=german spear warband's spear direction


OOOO
OOOO


^^^^

ok say the enemy unit is in the plaza and my SW is facing them. When I left click (once) to attack the unit this is what happens:


OOOO
OOOO

><
^^

the phalanx will get stop pointing there spears at the enemy and start running into them selves with the pikes facing the air

The enemy will then charge into them when they are disorganised


OOOO
O >>O
O>>
O

The Spears will point at like one enemy at the side or rear while the majority of enemies in front are doing the most damage

So basically the phalanx formatio is ruined when i order them to attack and when it finally gets itself fixed up it points the wrong way

Has anyone else had to put up with this when assaulting Cities? And is there a way to fix this?