@ -546,7 +546,7 @@ class NotebookApp(BaseIPythonApplication):
return url
# no local mathjax, serve from CDN
url = u"//cdn.mathjax.org/mathjax/latest/MathJax.js"
url = u"https://cdn.mathjax.org/mathjax/latest/MathJax.js"
self.log.info("Using MathJax from CDN: %s", url)