diff --git a/templates/index.html.j2 b/templates/index.html.j2
index 1c4977b..616dcd9 100644
--- a/templates/index.html.j2
+++ b/templates/index.html.j2
@@ -197,7 +197,7 @@
       </div>
     </div>
   </div>
-  <div class="imgprefetch" id="img-prefetch"></div>
+  <div class="imgprefetch" id="img-prefetch" aria-hidden="true"></div>
 </body>
 <script>
   new PhotoGallery();