-if (!isset($GLOBALS['plugins']['WALLABAG_URL'])) {
- $GLOBALS['plugins']['errors'][] = 'Wallabag plugin error: '.
+$conf = ConfigManager::getInstance();
+$wallabagUrl = $conf->get('plugins.WALLABAG_URL');
+if (empty($wallabagUrl)) {
+ $GLOBALS['plugin_errors'][] = 'Wallabag plugin error: '.