diff --git a/src/wp-content/themes/twentyseventeen/inc/customizer.php b/src/wp-content/themes/twentyseventeen/inc/customizer.php
index e2566507a0..91bbc545ec 100644
--- a/src/wp-content/themes/twentyseventeen/inc/customizer.php
+++ b/src/wp-content/themes/twentyseventeen/inc/customizer.php
@@ -1,4 +1,4 @@
-<?php
+ <?php
 /**
  * Twenty Seventeen: Theme Customizer
  *
@@ -13,9 +13,13 @@
  * @param WP_Customize_Manager $wp_customize Theme Customizer object.
  */
 function twentyseventeen_customize_register( $wp_customize ) {
-	$wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
-	$wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
-	$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
+	$postMessage_settings = array( 'blogname', 'blogdescription', 'header_textcolor' );
+	foreach( $postMessage_settings as $postMessage_setting ) {
+		$setting = $wp_customize->get_setting( $postMessage_setting );
+		if ( $setting ) {
+			$setting->transport = 'postMessage';
+		}
+	}
 
 	/**
 	 * Custom colors.