diff --git a/htdocs/adherents/class/adherent.class.php b/htdocs/adherents/class/adherent.class.php
index 539524756c9..967002b0b6e 100644
--- a/htdocs/adherents/class/adherent.class.php
+++ b/htdocs/adherents/class/adherent.class.php
@@ -2325,6 +2325,7 @@ class Adherent extends CommonObject
 
 		// Initialise parametres
 		$this->id = 0;
+		$this->ref = 'ABC001';
 		$this->entity = 1;
 		$this->specimen = 1;
 		$this->civility_id = 0;