diff --git a/src/sunstone/public/js/plugins/acls-tab.js b/src/sunstone/public/js/plugins/acls-tab.js
index 7a9739d6a4..4e37da5e0f 100644
--- a/src/sunstone/public/js/plugins/acls-tab.js
+++ b/src/sunstone/public/js/plugins/acls-tab.js
@@ -674,6 +674,9 @@ function popUpCreateAclDialog(){
     insertSelectOptions('div#belonging_to', dialog, "Group", null, true);
     insertSelectOptions('#in_cluster',dialog, "Cluster", null, true);
 
+    // Delete cluster -1 option
+    $('#in_cluster select option[value="-1"]',dialog).remove();
+
     insertSelectOptions('div#zones_applies', dialog, "Zone", "*", false,
                         '<option value="*">'+tr("All")+'</option>');