diff --git a/plugins/line-numbers/index.html b/plugins/line-numbers/index.html
index e135379e93..856c8998e5 100644
--- a/plugins/line-numbers/index.html
+++ b/plugins/line-numbers/index.html
@@ -14,7 +14,7 @@
 <script>var _gaq = [['_setAccount', 'UA-33746269-1'], ['_trackPageview']];</script>
 <script src="https://www.google-analytics.com/ga.js" async></script>
 </head>
-<body>
+<body class="language-none">
 
 <header data-plugin-header="line-numbers"></header>
 
