         if @getCurrentTask()?
           for tool, i in @getCurrentTask().tool_config.options
             if tool.help && tool.generates_subject_type && @state.activeSubjectHelper == tool.generates_subject_type
-              <HelpModal help={tool.help} onDone={@hideSubjectHelp} />
+              <HelpModal key={i} help={tool.help} onDone={@hideSubjectHelp} />
       }
 
     </div>

{Link}                  = require 'react-router'
YaleTutorial            = require '../yale-tutorial'
YaleMarkTutorialText    = require '../tutorial-text/yale-mark-tutorial-text'

module.exports = React.createClass # rename to Classifier
  displayName: 'Mark'

    activeSubjectHelper: null
    subjectCurrentPage:  1
    yaleTutorial:        true
    markingIsDone:       0
    showNavButtons:      0

  componentWillReceiveProps: (new_props) ->
    @setState yaleTutorial: @showTutorialBasedOnUser(new_props.user)
