state_machines-activemodel not respecting aliases on initialize

foo.rb

require 'state_machines-activemodel'

class Foo
  include ActiveModel::Model

  attr_accessor :status

  alias_attribute :state, :status

  state_machine initial: :new
end

a = Foo.new(state: :old)
puts a.state  # :old
puts a.status # :old

a.status = :new
puts a.status # :new
puts a.state  # :new

b = Foo.new(status: :old)
puts b.state  # :new
puts b.status # :new

b.status = :old
puts b.status # :old
puts b.state  # :old