diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogShareFolder.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogShareFolder.java
index 0c0afe3..3e22519 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogShareFolder.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/sharing/DialogShareFolder.java
@@ -580,7 +580,7 @@ public class DialogShareFolder extends Dialog {
 			return false;
 		}
 
-		if (getSharedListUsers().size() == 0) {
+		if (getSharedListUsers().size() <= 1) {
 			if (displayAlert)
 				new MessageBoxAlert("Attention", "You must pick at least one user with which share the folder", null);
 			suggestPanel.boxSetFocus();