diff -u b/core/misc/form.js b/core/misc/form.js
--- b/core/misc/form.js
+++ b/core/misc/form.js
@@ -198,10 +198,9 @@
       var userInfo = ['name', 'mail', 'homepage'];
       var $forms = $('[data-user-info-from-browser]').once('user-info-from-browser');
       if ($forms.length) {
-        var browserData;
         userInfo.map(function (info) {
           var $element = $forms.find('[name=' + info + ']');
-          browserData = localStorage.getItem('Drupal.visitor.' + info);
+          var browserData = localStorage.getItem('Drupal.visitor.' + info);
           var emptyOrDefault = ($element.val() === '' || ($element.attr('data-drupal-default-value') === $element.val()));
           if ($element.length && emptyOrDefault && browserData) {
             $element.val(browserData);