diff --git a/src/utils/connection.js b/src/utils/connection.js
index 58bed0b..6eb8269 100644
--- a/src/utils/connection.js
+++ b/src/utils/connection.js
@@ -1,5 +1,5 @@
 function getProtocol(req) {
-    let proto = req.connection.encrypted ? 'https' : 'http';
+    let proto = req.connection.encrypted || process.env.SSL === 'true' ? 'https' : 'http';
     // only do this if you trust the proxy
     proto = req.headers['x-forwarded-proto'] || proto;
     return proto.split(/\s*,\s*/)[0];