Semantic UI Equal Height Row / Column Width Bug

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/1.6.4/semantic.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/semantic-ui/1.6.4/semantic.min.css">
<div class="ui container indent border shadow">
  <div class="two column stackable ui grid ">
    <div class="equal height row">
      <div class="column">
        <h2 class="ui header center aligned ">Lorem</h2>
        <div class="ui segment ">
          <div class="ui list ">
            <div class="item">
              <i class="checkmark icon"></i>
              <div class="content">
                Lorem
              </div>
            </div>
            <div class="item">
              <i class="xmark icon"></i>
              <div class="content">
                Lorem
              </div>
            </div>
          </div>
        </div>
      </div>
      <div class="column">
        <h2 class="ui header center aligned ">Lorem</h2>
        <div class="ui segment ">
          <div class="ui list">
            <div class="item">
              <i class="checkmark icon"></i>
              <div class="content">
                Lorem
              </div>
            </div>
            <div class="item">
              <i class="checkmark icon"></i>
              <div class="content">Lorem</div>
            </div>
            <div class="item">
              <i class="checkmark icon"></i>
              <div class="content">Lorem</div>
            </div>
            <div class="item">
              <i class="xmark icon"></i>
              <div class="content">Lorem</div>
            </div>
            <div class="item">
              <i class="xmark icon"></i>
              <div class="content">Lorem</div>
            </div>
            <div class="item">
              <i class="xmark icon"></i>
              <div class="content">Lorem</div>
            </div>
            <div class="item">
              <i class="xmark icon"></i>
              <div...