diff --git a/src/main/java/org/gcube/datatransfer/resolver/services/StorageIDResolver.java b/src/main/java/org/gcube/datatransfer/resolver/services/StorageIDResolver.java
index 05e61e8..0d77782 100644
--- a/src/main/java/org/gcube/datatransfer/resolver/services/StorageIDResolver.java
+++ b/src/main/java/org/gcube/datatransfer/resolver/services/StorageIDResolver.java
@@ -350,11 +350,9 @@ public class StorageIDResolver {
 		}
 
 		StorageClient client;
-		if(memory==null)
-			client=new StorageClient(StorageIDResolver.class.getName(), StorageIDResolver.class.getSimpleName(), STORAGEID_RESOLVER, AccessType.PUBLIC);
-		else
-			client=new StorageClient(StorageIDResolver.class.getName(), StorageIDResolver.class.getSimpleName(), STORAGEID_RESOLVER, AccessType.PUBLIC, memory);
-
+		if(memory==null) 
+			memory=MemoryType.PERSISTENT;
+		client=new StorageClient(StorageIDResolver.class.getName(), StorageIDResolver.class.getSimpleName(), STORAGEID_RESOLVER, AccessType.PUBLIC, memory);
 		return new StorageClientInstance(client, memory, storageId);
 	}