diff --git a/functions.php b/functions.php
index 6f8757707..deddfc4c3 100644
--- a/functions.php
+++ b/functions.php
@@ -190,7 +190,8 @@ add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 );
  * @since Twenty Twelve 1.0
  */
 function twentytwelve_page_menu_args( $args ) {
-	$args['show_home'] = true;
+	if ( ! isset( $args['show_home'] ) )
+		$args['show_home'] = true;
 	return $args;
 }
 add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );