diff --git a/wp-includes/registration.php b/wp-includes/registration.php
index f9cc27dc57..6ad622a253 100644
--- a/wp-includes/registration.php
+++ b/wp-includes/registration.php
@@ -97,7 +97,7 @@ function wp_insert_user($userdata) {
 	if ( empty($user_registered) )
 		$user_registered = gmdate('Y-m-d H:i:s');
 
-	$data = compact( 'user_pass', 'user_email', 'user_url', 'user_nicename', 'display_name' );
+	$data = compact( 'user_pass', 'user_email', 'user_url', 'user_nicename', 'display_name', 'user_registered' );
 
 	if ( $update ) {
 		$wpdb->update( $wpdb->users, $data, compact( 'ID' ) );