diff --git a/Application/Base/Tool/Request.class.php b/Application/Base/Tool/Request.class.php
index cd3f1241f..00c55082d 100644
--- a/Application/Base/Tool/Request.class.php
+++ b/Application/Base/Tool/Request.class.php
@@ -99,7 +99,7 @@ class Request {
 
     public function getHost()
     {
-        $host = $this->getScheme() . '://' . $this->serverInfo['SERVER_NAME'];
+        $host = $this->getScheme() . '://' . $this->serverInfo['HTTP_HOST'];
         if (in_array($this->serverInfo['SERVER_PORT'], [80, 443])) {
             return $host;
         }