diff --git a/lib/ace/mode/html.js b/lib/ace/mode/html.js
index 5f5719d4..a74ee3de 100644
--- a/lib/ace/mode/html.js
+++ b/lib/ace/mode/html.js
@@ -43,7 +43,7 @@ var HtmlCompletions = require("./html_completions").HtmlCompletions;
 var WorkerClient = require("../worker/worker_client").WorkerClient;
 
 // http://www.w3.org/TR/html5/syntax.html#void-elements
-var voidElements = ["area", "base", "br", "col", "embed", "hr", "img", "input", "keygen", "link", "meta", "param", "source", "track", "wbr"];
+var voidElements = ["area", "base", "br", "col", "embed", "hr", "img", "input", "keygen", "link", "meta", "menuitem", "param", "source", "track", "wbr"];
 var optionalEndTags = ["li", "dt", "dd", "p", "rt", "rp", "optgroup", "option", "colgroup", "td", "th"];
 
 var Mode = function(options) {