Index: src/wp-admin/includes/class-wp-users-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-users-list-table.php	(revision 55555)
+++ src/wp-admin/includes/class-wp-users-list-table.php	(working copy)
@@ -353,7 +353,7 @@
 	 * @return string The bulk action required.
 	 */
 	public function current_action() {
-		if ( isset( $_REQUEST['changeit'] ) && ! empty( $_REQUEST['new_role'] ) ) {
+		if ( isset( $_REQUEST['changeit'] ) ) {
 			return 'promote';
 		}