diff --git a/header.php b/header.php
index 5fe05173..0e8e72b6 100644
--- a/header.php
+++ b/header.php
@@ -35,7 +35,7 @@
 	?></title>
 <link rel="profile" href="http://gmpg.org/xfn/11" />
 <link rel="stylesheet" type="text/css" media="all" href="<?php bloginfo( 'stylesheet_url' ); ?>" />
-<?php if ( is_singular() && get_option( 'thread_comments' ) ) wp_enqueue_script( 'comment-reply' ); ?>
+<?php if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) wp_enqueue_script( 'comment-reply' ); ?>
 <link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
 <!--[if lt IE 9]>
 <script src="<?php echo get_template_directory_uri(); ?>/js/html5.js" type="text/javascript"></script>