diff --git a/lib/oauth_middleware.js b/lib/oauth_middleware.js
index cd061d0..a8af2cf 100644
--- a/lib/oauth_middleware.js
+++ b/lib/oauth_middleware.js
@@ -34,7 +34,7 @@ function login(req, res, next, options) {
   var blogtype = req.query[blogtypeField];
   var referer = getReferer(req, options);
   if (!options.homeUrl) {
-    options.homeUrl = 'http://' + req.headers.host;
+    options.homeUrl = req.socket.headers.scheme + '://' + req.headers.host;
   }
   var authCallback = getAuthCallback(options);
   var user = {