diff --git a/htdocs/contact/class/contact.class.php b/htdocs/contact/class/contact.class.php
index 036b99f9ae3..4a05f112eba 100644
--- a/htdocs/contact/class/contact.class.php
+++ b/htdocs/contact/class/contact.class.php
@@ -469,7 +469,7 @@ class Contact extends CommonObject
 
 
 	/**
-	 *  Charge l'objet contact
+	 *  Load object contact
 	 *
 	 *  @param      int		$id          id du contact
 	 *  @param      User	$user        Utilisateur (abonnes aux alertes) qui veut les alertes de ce contact
@@ -481,7 +481,7 @@ class Contact extends CommonObject
 
 		$langs->load("companies");
 
-		$sql = "SELECT c.rowid, c.fk_soc, c.civilite as civilite_id, c.lastname, c.firstname,";
+		$sql = "SELECT c.rowid, c.fk_soc, c.ref_ext, c.civilite as civilite_id, c.lastname, c.firstname,";
 		$sql.= " c.address, c.zip, c.town,";
 		$sql.= " c.fk_pays as country_id,";
 		$sql.= " c.fk_departement,";
@@ -510,6 +510,7 @@ class Contact extends CommonObject
 
 				$this->id				= $obj->rowid;
 				$this->ref				= $obj->rowid;
+				$this->ref_ext			= $obj->ref_ext;
 				$this->civilite_id		= $obj->civilite_id;
 				$this->lastname			= $obj->lastname;
 				$this->firstname		= $obj->firstname;