diff --git a/inc/instance-config.php b/inc/instance-config.php
index 58f619cc..d78db3bc 100644
--- a/inc/instance-config.php
+++ b/inc/instance-config.php
@@ -218,6 +218,7 @@ require_once "htmlpurifier-4.5.0/library/HTMLPurifier.auto.php";
 			$poster_ids = isset($_POST['poster_ids']) ? 'true' : 'false';
 			$show_sages = isset($_POST['show_sages']) ? 'true' : 'false';
 			$auto_unicode = isset($_POST['auto_unicode']) ? 'true' : 'false';
+			$meta_noindex = isset($_POST['meta_noindex']) ? 'true' : 'false';
 			$code_tags = isset($_POST['code_tags']) ? '$config[\'additional_javascript\'][] = \'js/code_tags/run_prettify.js\';$config[\'markup\'][] = array("/\[code\](.+?)\[\/code\]/ms", "<code><pre class=\'prettyprint\' style=\'display:inline-block\'>\$1</pre></code>");' : '';
 			$mathjax = isset($_POST['mathjax']) ? '$config[\'mathjax\'] = true;$config[\'additional_javascript\'][] = \'js/mathjax-MathJax-727332c/MathJax.js?config=TeX-AMS_HTML-full\';' : '';
 $oekaki_js = <<<OEKAKI
@@ -287,6 +288,7 @@ OEKAKI;
 \$config['poster_ids'] = $poster_ids;
 \$config['show_sages'] = $show_sages;
 \$config['auto_unicode'] = $auto_unicode;
+\$config['meta_noindex'] = $meta_noindex;
 \$config['anonymous'] = base64_decode('$anonymous');
 \$config['blotter'] = base64_decode('$blotter');
 \$config['stylesheets']['Custom'] = 'board/$b.css';
diff --git a/templates/header.html b/templates/header.html
index d84536cb..7e0b90b3 100644
--- a/templates/header.html
+++ b/templates/header.html
@@ -4,6 +4,7 @@
 		<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=yes">
 		{% if config.meta_keywords %}<meta name="keywords" content="{{ config.meta_keywords }}">{% endif %}
 		{% if config.meta_description %}<meta name="description" content="{{ config.meta_description }}">{% endif %}
+		{% if config.meta_noindex %}<meta name="robots" content="noindex" />{% endif %}
 		{% if config.default_stylesheet.1 != '' and not mod %}<link rel="stylesheet" type="text/css" id="stylesheet" href="{{ config.uri_stylesheets }}{{ config.default_stylesheet.1 }}">{% endif %}
 		{% if config.font_awesome %}<link rel="stylesheet" media="screen" href="{{ config.root }}{{ config.font_awesome_css }}">{% endif %}
 		{% if config.country_flags_condensed %}<link rel="stylesheet" href="{{ config.root }}{{ config.country_flags_condensed_css }}">{% endif %}