diff --git a/libraries/header.inc.php b/libraries/header.inc.php
index 9d8c35a62..06afa2cd0 100644
--- a/libraries/header.inc.php
+++ b/libraries/header.inc.php
@@ -140,7 +140,10 @@ if (empty($GLOBALS['is_header_sent'])) {
     <?php
 
     // Include possible custom headers
-    require_once './libraries/header_custom.inc.php';
+    if (file_exists('./config.header.inc.php')) {
+        require('./config.header.inc.php');
+    }
+
 
     // message of "Cookies required" displayed for auth_type http or config
     // note: here, the decoration won't work because without cookies,