QML SignalTransition causes segfault with incorrect signal assignment

import QtQuick 2.0
import QtQml.StateMachine 1.0
 
Item {
  id: thingy
  signal somethingHappened
 
  StateMachine {
    initialState: stateA
    running: true
 
    State {
      id:stateA
      onEntered:console.log('entered A')
 
      SignalTransition {
        targetState: stateB
        # Note that this should say signal: thingy.somethingHappened
        signal: thingy.onSomethingHappened
      }
    }
 
    State {
      id: stateB
      onEntered: console.log('entered B')
    }
  }
}