diff --git a/htdocs/api/class/api_documents.class.php b/htdocs/api/class/api_documents.class.php
index 5ab7de3f384..7cd84d656da 100644
--- a/htdocs/api/class/api_documents.class.php
+++ b/htdocs/api/class/api_documents.class.php
@@ -607,7 +607,8 @@ class Documents extends DolibarrApi
 
 		if ($ref) {
 			$tmpreldir = '';
-
+			$fetchbyid = false;
+			
 			if ($modulepart == 'facture' || $modulepart == 'invoice') {
 				$modulepart = 'facture';