diff --git a/scripts/boxesserver b/scripts/boxesserver
index 2e5ca44..6f69be0 100755
--- a/scripts/boxesserver
+++ b/scripts/boxesserver
@@ -246,7 +246,7 @@ class BServer:
             if len(group._group_actions) == 1 and isinstance(group._group_actions[0], argparse._HelpAction):
                 continue
             prefix = getattr(group, "prefix", None)
-            result.append('''<h3 id="h-%s" class="open" onclick="showHide(%s)">%s</h3>\n<table id="%s">\n''' % (groupid, groupid, _(group.title), groupid))
+            result.append('''<h3 id="h-%s" class="open" onclick="showHide(%s)">%s</h3>\n<table role="presentation" id="%s">\n''' % (groupid, groupid, _(group.title), groupid))
             for a in group._group_actions:
                 if a.dest in ("input", "output"):
                     continue