diff --git a/src/wp-admin/includes/ms.php b/src/wp-admin/includes/ms.php
index 8c6aa48bba..ffed184b21 100644
--- a/src/wp-admin/includes/ms.php
+++ b/src/wp-admin/includes/ms.php
@@ -298,6 +298,7 @@ All at ###SITENAME###
 	 */
 	$content = apply_filters( 'new_admin_email_content', $email_text, $new_admin_email );
 
+	$current_user = wp_get_current_user();
 	$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
 	$content = str_replace( '###ADMIN_URL###', esc_url( admin_url( 'options.php?adminhash='.$hash ) ), $content );
 	$content = str_replace( '###EMAIL###', $value, $content );