diff --git a/lib-php/website/search.php b/lib-php/website/search.php
index f8162d68..ae3e1dbf 100644
--- a/lib-php/website/search.php
+++ b/lib-php/website/search.php
@@ -67,7 +67,7 @@ if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
 }
 
 if (isset($_SERVER['REQUEST_SCHEME'])
-    && isset($_SERVER['SERVER_NAME'])
+    && isset($_SERVER['HTTP_HOST'])
     && isset($_SERVER['DOCUMENT_URI'])
 ) {
     $sMoreURL = $_SERVER['REQUEST_SCHEME'].'://'