diff --git a/modules/eanmanager/ajax.php b/modules/eanmanager/ajax.php
index c7d05f1c..d2761a96 100755
--- a/modules/eanmanager/ajax.php
+++ b/modules/eanmanager/ajax.php
@@ -15,7 +15,7 @@ if((Tools::getValue('token') === Tools::getAdminToken('AdminEANManager'.(int) Ta
 		exit;
 	}
 	
-	if(!Validate::isEan13($value)) {
+	if(!Validate::isReference($value)) {
 		echo json_encode(array('result' => 'FORMAT'));
 		exit;
 	}