diff --git a/lib/private/App/AppStore/Fetcher/Fetcher.php b/lib/private/App/AppStore/Fetcher/Fetcher.php
index bd5c2ba8213..75d2069d07a 100644
--- a/lib/private/App/AppStore/Fetcher/Fetcher.php
+++ b/lib/private/App/AppStore/Fetcher/Fetcher.php
@@ -181,7 +181,7 @@ abstract class Fetcher {
 		try {
 			$responseJson = $this->fetch($ETag, $content, $allowUnstable);
 
-			if (empty($responseJson)) {
+			if (empty($responseJson) || empty($responseJson['data'])) {
 				return [];
 			}