diff --git a/framework/base/router.class.php b/framework/base/router.class.php
index 0ee006df6f..e49536f612 100644
--- a/framework/base/router.class.php
+++ b/framework/base/router.class.php
@@ -609,6 +609,9 @@ class baseRouter
         if($this->config->framework->filterCSRF)
         {
             $httpType = (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == 'on') ? 'https' : 'http';
+            if(isset($_SERVER['HTTP_X_FORWARDED_PROTO']) and strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https') $httpType = 'https';
+            if(isset($_SERVER['REQUEST_SCHEME']) and strtolower($_SERVER['REQUEST_SCHEME']) == 'https') $httpType = 'https';
+
             $httpHost = $_SERVER['HTTP_HOST'];
             $isAPI    = (defined('RUN_MODE') && RUN_MODE == 'api') || isset($_GET[$this->config->sessionVar]);
             if(!$isAPI && strpos($this->server->http_referer, "$httpType://$httpHost") !== 0) $_FILES = $_POST = array();