diff --git a/lib/private/App/AppStore/Fetcher/Fetcher.php b/lib/private/App/AppStore/Fetcher/Fetcher.php
index 2a7ed187c6c..75ebb6dd894 100644
--- a/lib/private/App/AppStore/Fetcher/Fetcher.php
+++ b/lib/private/App/AppStore/Fetcher/Fetcher.php
@@ -30,6 +30,7 @@ use OCP\Files\NotFoundException;
 use OCP\Http\Client\IClientService;
 use OCP\IConfig;
 use OCP\ILogger;
+use OCP\Util;
 
 abstract class Fetcher {
 	const INVALIDATE_AFTER_SECONDS = 300;