diff --git a/htdocs/api/class/api.class.php b/htdocs/api/class/api.class.php
index dcda8255e7c..8ed6657e7e6 100644
--- a/htdocs/api/class/api.class.php
+++ b/htdocs/api/class/api.class.php
@@ -56,9 +56,14 @@ class DolibarrApi
         $this->db = $db;
         $production_mode = ( empty($conf->global->API_PRODUCTION_MODE) ? false : true );
         $this->r = new Restler($production_mode, $refreshCache);
+
         $urlwithouturlroot=preg_replace('/'.preg_quote(DOL_URL_ROOT,'/').'$/i','',trim($dolibarr_main_url_root));
         $urlwithroot=$urlwithouturlroot.DOL_URL_ROOT; // This is to use external domain name found into config file
-	$this->r->setBaseUrls(DOL_MAIN_URL_ROOT, $urlwithroot);
+
+        $urlwithouturlrootautodetect=preg_replace('/'.preg_quote(DOL_URL_ROOT,'/').'$/i','',trim(DOL_MAIN_URL_ROOT));
+        $urlwithrootautodetect=$urlwithouturlroot.DOL_URL_ROOT; // This is to use local domain autodetected by dolibarr from url
+
+        $this->r->setBaseUrls($urlwithouturlroot, $urlwithouturlrootautodetect);
         $this->r->setAPIVersion(1);
     }