diff --git a/src/Core/StorageManager.php b/src/Core/StorageManager.php
index a71e2473cd..8dd7654e60 100644
--- a/src/Core/StorageManager.php
+++ b/src/Core/StorageManager.php
@@ -134,7 +134,7 @@ class StorageManager
 			);
 
 			if (DBA::isResult($rr)) {
-				while($r = $rr->fetch()) {
+				while($r = DBA::fetch($rr)) {
 					$id = $r['id'];
 					$data = $r['data'];
 					$backendClass = $r['backend-class'];