diff --git a/www/code/main.js b/www/code/main.js
index 1ee726097..4f6b087dd 100644
--- a/www/code/main.js
+++ b/www/code/main.js
@@ -253,7 +253,7 @@ define([
                     var clike = /^\s*(\/\*|\/\/)(.*)?(\*\/)*$/;
                     if (clike.test(line)) {
                         line.replace(clike, function (a, one, two) {
-                            if (!two) { return; }
+                            if (!two && two.replace) { return; }
                             text = two.replace(/\*\/\s*$/, '').trim();
                         });
                         return true;