diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 5d69bb2b6dd..9eadd0fa421 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3393,7 +3393,6 @@ class Facture extends CommonInvoice
 
 			// Set new ref and define current status
 			if (!$error) {
-				$this->ref = $num;
 				$this->ref = $num;
 				$this->statut = self::STATUS_VALIDATED;
 				$this->status = self::STATUS_VALIDATED;