diff --git a/admin/plugins.php b/admin/plugins.php
index 02049307993..a48cb393a6e 100644
--- a/admin/plugins.php
+++ b/admin/plugins.php
@@ -28,7 +28,8 @@ require_once(dirname(dirname(__FILE__)) . '/config.php');
 require_once($CFG->libdir . '/adminlib.php');
 require_once($CFG->libdir . '/pluginlib.php');
 
-require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
 admin_externalpage_setup('pluginsoverview');
+require_capability('moodle/site:config', get_context_instance(CONTEXT_SYSTEM));
+
 $output = $PAGE->get_renderer('core', 'admin');
 echo $output->plugin_management_page(plugin_manager::instance());