diff --git a/addons/base_default_home/static/src/js/home.js b/addons/base_default_home/static/src/js/home.js
index 8cdec179999..e95b9681ceb 100644
--- a/addons/base_default_home/static/src/js/home.js
+++ b/addons/base_default_home/static/src/js/home.js
@@ -77,20 +77,16 @@ openerp.base_default_home = function (openerp) {
                 [['name', '=', module_name], ['state', '=', 'uninstalled']]),
                 Upgrade = new openerp.base.DataSet(this, 'base.module.upgrade');
 
-            var $overlay = $('<div class="ui-widget-overlay">')
-                    .appendTo(document.body)
-                    .css('z-index', 10001),
-                $wait = $overlay.add(
-                    $('<img src="/base_default_home/static/src/img/throbber.gif">')
-                        .appendTo(document.body)
-                        .css({position: 'absolute', top: '50%', left: '50%'}));
+            $.blockUI({
+                message: '<img src="/base_default_home/static/src/img/throbber.gif">'
+            });
             Modules.read_slice(['id'], null, null, function (records) {
                 if (!(records.length === 1)) { return; }
                 Modules.call('state_update',
                     [_.pluck(records, 'id'), 'to install', ['uninstalled']],
                     function () {
                         Upgrade.call('upgrade_module', [[]], function () {
-                            $wait.remove();
+                            $.unblockUI();
                             // TODO: less brutal reloading
                             window.location.reload(true);
                         });