diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
index d46e1db..9a9b212 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java
@@ -2131,11 +2131,9 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 							//IF NOT CANCELLED
 							String clickedButton = be.getButtonClicked().getItemId();
 							if(clickedButton.equals(Dialog.OK)){
-								List<String> logins = new ArrayList<String>(targets.size());
-								for (org.gcube.portlets.widgets.workspacesharingwidget.shared.InfoContactModel infoContactModel : targets) {
-									logins.add(infoContactModel.getLogin());
-									doAddAdministratorToFolderId(file, logins);
-								}
+								List<String> logins = new ArrayList<String>(1);
+								logins.add(targets.get(0).getLogin());
+								doAddAdministratorToFolderId(file, logins);
 								multidrag.hide();
 							}
 						}