diff --git a/admin/index.php b/admin/index.php
index 203497d079a..7ea72af6a92 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -382,9 +382,6 @@ if (!$cache and moodle_needs_upgrading()) {
     if (!$PAGE->headerprinted) {
         // means core upgrade or installation was not already done
 
-        /** @var core_admin_renderer $output */
-        $output = $PAGE->get_renderer('core', 'admin');
-
         if (!$confirmplugins) {
             $strplugincheck = get_string('plugincheck');
 
@@ -402,6 +399,9 @@ if (!$cache and moodle_needs_upgrading()) {
                 redirect($PAGE->url);
             }
 
+            /** @var core_admin_renderer $output */
+            $output = $PAGE->get_renderer('core', 'admin');
+
             $deployer = \core\update\deployer::instance();
             if ($deployer->enabled()) {
                 $deployer->initialize($PAGE->url, $PAGE->url);
@@ -425,6 +425,8 @@ if (!$cache and moodle_needs_upgrading()) {
         // Make sure plugin dependencies are always checked.
         $failed = array();
         if (!core_plugin_manager::instance()->all_plugins_ok($version, $failed)) {
+            /** @var core_admin_renderer $output */
+            $output = $PAGE->get_renderer('core', 'admin');
             $reloadurl = new moodle_url('/admin/index.php', array('cache' => 0));
             echo $output->unsatisfied_dependencies_page($version, $failed, $reloadurl);
             die();