diff --git a/src/main/java/org/gcube/data/access/storagehub/AuthorizationChecker.java b/src/main/java/org/gcube/data/access/storagehub/AuthorizationChecker.java
index 1fbf168..33837ec 100644
--- a/src/main/java/org/gcube/data/access/storagehub/AuthorizationChecker.java
+++ b/src/main/java/org/gcube/data/access/storagehub/AuthorizationChecker.java
@@ -45,7 +45,7 @@ public class AuthorizationChecker {
 		//in case of newItem the id is the parent otherwise the old node to replace
 		Node node = session.getNodeByIdentifier(id);
 
-		Item item  = ItemHandler.getItem(node, Arrays.asList(ACCOUNTING_NAME,CONTENT_NAME));
+		Item item  = ItemHandler.getItem(node, Arrays.asList(ACCOUNTING_NAME,CONTENT_NAME, METADATA_NAME));
 
 		if (item.isShared()) {
 			SharedFolder parentShared = retrieveSharedFolderParent(item, session);
@@ -56,7 +56,7 @@ public class AuthorizationChecker {
 			for (AccessControlEntry entry: entries) {
 				if (entry.getPrincipal().getName().equals(AuthorizationProvider.instance.get().getClient().getId()) || (parentShared.isVreFolder() && entry.getPrincipal().getName().equals(parentShared.getTitle()))) {
 					for (Privilege privilege : entry.getPrivileges()){
-						AccessType access = AccessType.valueOf(privilege.getName());
+						AccessType access = AccessType.fromValue(privilege.getName());
 						if (isNewItem && access!=AccessType.READ_ONLY)
 							return;
 						else