diff --git a/htdocs/js/mpd.js b/htdocs/js/mpd.js
index 5c8a8d1..ba7dfff 100644
--- a/htdocs/js/mpd.js
+++ b/htdocs/js/mpd.js
@@ -496,10 +496,14 @@ function webSocketConnect() {
break;
case "outputnames":
$('#btn-outputs-block button').remove();
- $.each(obj.data, function(id, name){
- var btn = $('');
- btn.appendTo($('#btn-outputs-block'));
- });
+ if (obj.data.length > 1) {
+ $.each(obj.data, function(id, name){
+ var btn = $('');
+ btn.appendTo($('#btn-outputs-block'));
+ });
+ } else {
+ $('#btn-outputs-block').removeClass('btn-group-vertical');
+ }
/* remove cache, since the buttons have been recreated */
last_outputs = '';
break;