diff --git a/config/bootstrap.php b/config/bootstrap.php
index 30ed52ec5..ce293268b 100644
--- a/config/bootstrap.php
+++ b/config/bootstrap.php
@@ -180,7 +180,7 @@
      */
     if ($httpHost) {
         $s = null;
-        if (env('HTTPS')) {
+        if (env('HTTPS') || env('HTTP_X_FORWARDED_PROTO') === 'https') {
             $s = 's';
         }
         $fullBaseUrl = 'http' . $s . '://' . $httpHost;