diff --git a/htdocs/resource/class/dolresource.class.php b/htdocs/resource/class/dolresource.class.php
index 2a40c0406c5..cce2244df42 100644
--- a/htdocs/resource/class/dolresource.class.php
+++ b/htdocs/resource/class/dolresource.class.php
@@ -530,6 +530,8 @@ class Dolresource extends CommonObject
 
 		require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
+		$rowid = $this->id;
+
 		$error = 0;
 
 		$this->db->begin();