diff --git a/skins/Belchertown/header.html.tmpl b/skins/Belchertown/header.html.tmpl
index fe44ba3c..2a2ab4a2 100644
--- a/skins/Belchertown/header.html.tmpl
+++ b/skins/Belchertown/header.html.tmpl
@@ -112,6 +112,7 @@
         <script type='text/javascript' src='//code.highcharts.com/10/highcharts-more.js'></script>
         <script type='text/javascript' src='//code.highcharts.com/10/modules/exporting.js'></script>
         <script type='text/javascript' src='//code.highcharts.com/10/modules/solid-gauge.js'></script>
+        <script type='text/javascript' src='//code.highcharts.com/10/modules/accessibility.js'></script>
         #end if
         <script type='text/javascript' src='//stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js'></script>
         <script type='text/javascript' src='$relative_url/js/belchertown.js?#echo int( time.time() )#'></script>