--- simplenews.js	Thu Aug 19 02:53:44 2010
+++ simplenews.js	Mon Dec 06 10:41:20 2010
@@ -4,6 +4,10 @@
  * Set text of Save button dependent on the selected send option.
  */
 Drupal.behaviors.simplenewsCommandSend = function (context) {
+  // Workaround for a bug of Firefox that might change radio buttons on page reload.
+  // @see http://www.ryancramer.com/journal/entries/radio_buttons_firefox
+  $('.simplenews-command-send').attr('autocomplete', 'off');
+
   var simplenewsSendButton = function () {
     switch ($(".simplenews-command-send :radio:checked").val()) {
       case '0':