diff --git a/htdocs/compta/facture/class/facture.class.php b/htdocs/compta/facture/class/facture.class.php
index 589a184030e..ea06bd61dbd 100644
--- a/htdocs/compta/facture/class/facture.class.php
+++ b/htdocs/compta/facture/class/facture.class.php
@@ -3846,6 +3846,7 @@ class Facture extends CommonInvoice
 
 		// Initialize parameters
 		$this->id=0;
+		$this->entity = 1;
 		$this->ref = 'SPECIMEN';
 		$this->specimen=1;
 		$this->socid = 1;