when they are not supposed to.
i found that spell->status controls this behavior. made a struct update for it for AOM, but also found

for the status change the code had a spell->status += value, where value is 66 for locking -66 unlocking, 4 for queueing -4 unqueue
this should have been a bitwise operation, also change a int32 to int8

their may be additional changes for specific spell types

this has been fixed and committed under SVN commit #2821