diff --git a/src/Linkification/Linkify.coffee b/src/Linkification/Linkify.coffee
index 36db98d3b..c1d5411c4 100755
--- a/src/Linkification/Linkify.coffee
+++ b/src/Linkification/Linkify.coffee
@@ -238,9 +238,11 @@ Linkify =
key: 'gist'
regExp: /.*(?:gist.github.com.*\/)([^\/][^\/]*)$/
el: (a) ->
- $.el 'iframe',
- # Github doesn't allow embedding straight from the site, so we use an external site to bypass that.
- src: "http://www.purplegene.com/script?url=https://gist.github.com/#{a.dataset.uid}.js"
+ el = $.el 'iframe'
+ el.setAttribute 'sandbox', 'allow-scripts'
+ content = <%= html('${a.dataset.uid}') %>
+ el.src = "data:text/html;charset=utf-8,#{encodeURIComponent content.innerHTML}"
+ el
title:
api: (uid) -> "https://api.github.com/gists/#{uid}"
text: ({files}) ->