diff --git a/tardis/tardis_portal/templates/tardis_portal/index.html b/tardis/tardis_portal/templates/tardis_portal/index.html
index 594e3265a..eb9737d5f 100644
--- a/tardis/tardis_portal/templates/tardis_portal/index.html
+++ b/tardis/tardis_portal/templates/tardis_portal/index.html
@@ -9,7 +9,7 @@
 {% endblock script %}
 
 {% block content %}
-<div id="content" class="container">
+<main id="content" class="container">
   <div class="page-header">
     <h1 class="mb-1">Home</h1>
   </div>
@@ -258,7 +258,7 @@ <h3>
 
     </div> {% comment %}class="col-md-12"{% endcomment %}
   </div> {% comment %}class="row"{% endcomment %}
-</div> {% comment %}id="content"{% endcomment %}
+</main> {% comment %}id="content"{% endcomment %}
 <input type="hidden" id="exps-expand-accordion" value="{{ exps_expand_accordion }}">
 <input type="hidden" id="proj-expand-accordion" value="{{ proj_expand_accordion }}">