diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogPermission.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogPermission.java
index 0e2023b..6c798a8 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogPermission.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogPermission.java
@@ -141,10 +141,10 @@ public class DialogPermission extends Dialog {
 			public void componentSelected(ButtonEvent ce) {
 
 				INSTANCE.mask("Changing permissions");
-				if (folder != null && getSelectedACL().getId() != null) {
+				if (folder != null && getSelectedACL().getAclType() != null) {
 
 					WorkspaceSharingServiceAsync.INSTANCE.updateACLForVREbyGroupName(folder.getIdentifier(),
-							getSelectedACL().getId(), new AsyncCallback<Void>() {
+							getSelectedACL().getAclType(), new AsyncCallback<Void>() {
 
 								@Override
 								public void onFailure(Throwable caught) {