diff --git a/src/wp-includes/ms-deprecated.php b/src/wp-includes/ms-deprecated.php
index 30026a8758..5c7bfe2a82 100644
--- a/src/wp-includes/ms-deprecated.php
+++ b/src/wp-includes/ms-deprecated.php
@@ -86,7 +86,7 @@ function graceful_fail( $message ) {
 	$message = apply_filters( 'graceful_fail', $message );
 	$message_template = apply_filters( 'graceful_fail_template',
 '<!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml"><head profile="http://gmpg.org/xfn/11">
+<html xmlns="http://www.w3.org/1999/xhtml"><head>
 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
 <title>Error!</title>
 <style type="text/css">
diff --git a/src/wp-includes/theme-compat/header.php b/src/wp-includes/theme-compat/header.php
index 2758773b1e..b54d64c253 100644
--- a/src/wp-includes/theme-compat/header.php
+++ b/src/wp-includes/theme-compat/header.php
@@ -11,8 +11,8 @@ _deprecated_file( sprintf( __( 'Theme without %1$s' ), basename(__FILE__) ), '3.
 ?>
 <!DOCTYPE html>
 <html xmlns="http://www.w3.org/1999/xhtml" <?php language_attributes(); ?>>
-
-<head profile="http://gmpg.org/xfn/11">
+<head>
+<link rel="profile" href="http://gmpg.org/xfn/11" />
 <meta http-equiv="Content-Type" content="<?php bloginfo('html_type'); ?>; charset=<?php bloginfo('charset'); ?>" />
 
 <title><?php wp_title('&laquo;', true, 'right'); ?> <?php bloginfo('name'); ?></title>
