diff --git a/admin/renderer.php b/admin/renderer.php
index de7847059ce..eec14977bc7 100644
--- a/admin/renderer.php
+++ b/admin/renderer.php
@@ -691,7 +691,7 @@ class core_admin_renderer extends plugin_renderer_base {
     function upgrade_reload($url) {
         return html_writer::empty_tag('br') .
                 html_writer::tag('div',
-                    html_writer::link($url, $this->pix_icon('i/reload', '') .
+                    html_writer::link($url, $this->pix_icon('i/reload', '', '', array('class' => 'icon icon-pre')) .
                             get_string('reload'), array('title' => get_string('reload'))),
                 array('class' => 'continuebutton')) . html_writer::empty_tag('br');
     }