diff --git a/wp-includes/customize-controls.php b/wp-includes/customize-controls.php
index c6d6a5106d..5beaacd39f 100644
--- a/wp-includes/customize-controls.php
+++ b/wp-includes/customize-controls.php
@@ -83,7 +83,7 @@ do_action( 'customize_controls_print_scripts' );
 	// Check current scheme and load the preview with the same scheme
 	$scheme = is_ssl() ? 'https' : 'http';
 	$settings = array(
-		'preview' => esc_url( get_home_url( null, '/', $scheme ) ),
+		'preview' => esc_url( home_url( '/', $scheme ) ),
 		'values'  => array(),
 		'prefix'  => WP_Customize_Setting::name_prefix,
 	);