diff --git a/wp-includes/user.php b/wp-includes/user.php
index f1ce386419..9d256c2612 100644
--- a/wp-includes/user.php
+++ b/wp-includes/user.php
@@ -931,7 +931,7 @@ function setup_userdata($for_user_id = '') {
 	else
 		$user = new WP_User($for_user_id);
 
-	$userdata   = $user->data;
+	$userdata   = $user;
 	$user_ID    = (int) $user->ID;
 	$user_level = (int) isset($user->user_level) ? $user->user_level : 0;