diff --git a/htdocs/lib/BookmarkDialog.js b/htdocs/lib/BookmarkDialog.js
index 09bfa1b..6d2f113 100644
--- a/htdocs/lib/BookmarkDialog.js
+++ b/htdocs/lib/BookmarkDialog.js
@@ -2,7 +2,9 @@ $.fn.bookmarkDialog = function() {
     var $el = this;
     return {
         setModes: function(modes) {
-            $el.find('#modulation').html(modes.map(function(m) {
+            $el.find('#modulation').html(modes.filter(function(m){
+                return m.isAvailable();
+            }).map(function(m) {
                 return '<option value="' + m.modulation + '">' + m.name + '</option>';
             }).join(''));
         }