Borrow unload jass

[kokon]

Can you help me with jass to unload a burrow.
I run this and i see "unload"
message on the screen

if currentLife < GetUnitState(defender, UNIT_STATE_MAX_LIFE) * 0.7 then
  call bj("unload")
  call IssueImmediateOrder(defender, "unload")    
  call IssueImmediateOrder(defender, "unloadall")
  call UnitRemoveAbility(defender, 'Abtl')
endif

but peons dont get unloaded...

 

[Uncle]

Orc Burrows use the "standdown" order. Also, make sure you don't Remove the ability that you're trying to use.