diff --git a/demo/demo.js b/demo/demo.js
index 56c6b81e..ee13653e 100644
--- a/demo/demo.js
+++ b/demo/demo.js
@@ -268,6 +268,7 @@ exports.launch = function(env) {
 
     bindCheckbox("highlight_selected_word", function(checked) {
         env.editor.setHighlightSelectedWord(checked);
+    });
 
     bindCheckbox("show_hscroll", function(checked) {
         env.editor.renderer.setHScrollBarAlwaysVisible(checked);