diff --git a/htdocs/fourn/class/fournisseur.commande.class.php b/htdocs/fourn/class/fournisseur.commande.class.php
index d667799f64b..48db34dae77 100644
--- a/htdocs/fourn/class/fournisseur.commande.class.php
+++ b/htdocs/fourn/class/fournisseur.commande.class.php
@@ -1211,7 +1211,9 @@ class CommandeFournisseur extends CommonOrder
      */
 	function addline($desc, $pu_ht, $qty, $txtva, $txlocaltax1=0.0, $txlocaltax2=0.0, $fk_product=0, $fk_prod_fourn_price=0, $fourn_ref='', $remise_percent=0.0, $price_base_type='HT', $pu_ttc=0.0, $type=0, $info_bits=0, $notrigger=false, $date_start=null, $date_end=null, $array_options=0, $fk_unit=null)
     {
-        global $langs,$mysoc;
+        global $langs,$mysoc, $conf;
+
+        $error = 0;
 
         dol_syslog(get_class($this)."::addline $desc, $pu_ht, $qty, $txtva, $txlocaltax1, $txlocaltax2. $fk_product, $fk_prod_fourn_price, $fourn_ref, $remise_percent, $price_base_type, $pu_ttc, $type, $fk_unit");
         include_once DOL_DOCUMENT_ROOT.'/core/lib/price.lib.php';