diff --git a/htdocs/api/class/api.class.php b/htdocs/api/class/api.class.php
index df87efcd8c3..2d18568bf2d 100644
--- a/htdocs/api/class/api.class.php
+++ b/htdocs/api/class/api.class.php
@@ -65,6 +65,8 @@ class DolibarrApi
 
         $this->r->setBaseUrls($urlwithouturlroot, $urlwithouturlrootautodetect);
         $this->r->setAPIVersion(1);
+        //$this->r->setSupportedFormats('json');
+        //$this->r->setSupportedFormats('jsonFormat');
     }
 
     /**