   render: ->
     {className, disabled} = @props
     {isWaiting, isDone, isFailed} = @props
-    {children, waitingText, failedState, failedProps, doneText} = @props
+    {children, waitingText, FailedState, failedProps, doneText} = @props
     {isTimedout} = @state
 
     buttonTypeClass = 'async-button'
-    FailedState = @props.failedState
 
     if isFailed or isTimedout
       stateClass = 'is-failed'

    isDone: false
    isFailed: false
    waitingText: 'Loading…'
    failedState: RefreshButton
    failedProps:
      beforeText: 'There was a problem.  '
    doneText: ''

    isDone: React.PropTypes.bool
    isFailed: React.PropTypes.bool
    waitingText: React.PropTypes.node # TODO: This should be a Component or array
    FailedState: React.PropTypes.func
    failedProps: React.PropTypes.object
    doneText: React.PropTypes.node
    isJob: React.PropTypes.bool
