diff --git a/www/render/main.js b/www/render/main.js
index 9e42eef28..58d1483bc 100644
--- a/www/render/main.js
+++ b/www/render/main.js
@@ -109,7 +109,7 @@ define([
         redrawTimeout && clearTimeout(redrawTimeout);
         redrawTimeout = setTimeout(function () {
             draw(md);
-            makeRainbox && makeRainbows();
+            makeRainbow && makeRainbows();
         }, 450);
     };