diff --git a/wp-content/themes/twentyseventeen/template-parts/header/header-image.php b/wp-content/themes/twentyseventeen/template-parts/header/header-image.php
index 5dea9d812e..3f13048bd5 100644
--- a/wp-content/themes/twentyseventeen/template-parts/header/header-image.php
+++ b/wp-content/themes/twentyseventeen/template-parts/header/header-image.php
@@ -11,9 +11,11 @@
 ?>
 <div class="custom-header">
 
-	<div class="custom-header-image">
-		<?php the_custom_header_markup(); ?>
-	</div>
+	<?php if ( has_custom_header() ) : ?>
+		<div class="custom-header-image">
+			<?php the_custom_header_markup(); ?>
+		</div>
+	<?php endif; ?>
 
 	<?php get_template_part( 'template-parts/header/site', 'branding' ); ?>
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b54acd1fac..e0f554d80d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39390';
+$wp_version = '4.8-alpha-39392';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.