diff --git a/src/wp-includes/user.php b/src/wp-includes/user.php
index 0d50c1f6e3..82b5013a08 100644
--- a/src/wp-includes/user.php
+++ b/src/wp-includes/user.php
@@ -2799,7 +2799,7 @@ function retrieve_password( $user_login = null ) {
 	$message .= sprintf( __( 'Username: %s' ), $user_login ) . "\r\n\r\n";
 	$message .= __( 'If this was a mistake, ignore this email and nothing will happen.' ) . "\r\n\r\n";
 	$message .= __( 'To reset your password, visit the following address:' ) . "\r\n\r\n";
-	$message .= network_site_url( "wp-login.php?action=rp&key=$key&login=" . rawurlencode( $user_login ), 'login' ) . "\r\n\r\n";
+	$message .= network_site_url( "wp-login.php?action=rp&key=$key&login=" . rawurlencode( $user_login ), 'login' ) . '&wp_lang=' . $locale . "\r\n\r\n";
 
 	if ( ! is_user_logged_in() ) {
 		$requester_ip = $_SERVER['REMOTE_ADDR'];