diff --git a/core/modules/modEasyURL.class.php b/core/modules/modEasyURL.class.php
index 7ea2a82..769723f 100644
--- a/core/modules/modEasyURL.class.php
+++ b/core/modules/modEasyURL.class.php
@@ -364,7 +364,7 @@ public function __construct($db)
         $keyforelement   = 'shortener';
         $keyforalias     = 't';
 
-        require_once DOL_DOCUMENT_ROOT . '/core/commonfieldsinexport.inc.php';
+        require DOL_DOCUMENT_ROOT . '/core/commonfieldsinexport.inc.php';
 
         $this->export_sql_start[$r] = 'SELECT DISTINCT ';