diff --git a/htdocs/fourn/commande/card.php b/htdocs/fourn/commande/card.php
index 0257b51c946..7750250b00b 100644
--- a/htdocs/fourn/commande/card.php
+++ b/htdocs/fourn/commande/card.php
@@ -334,7 +334,7 @@ if ($action == 'addline' && $user->rights->fournisseur->commande->creer)
     	else
     	{
     		$ttc = price2num($_POST['price_ttc']);
-    		$ht = $ttc / (1 + ($tauxtva / 100));
+    		$ht = $ttc / (1 + ($tva_tx / 100));
     		$price_base_type = 'HT';
     		$result=$object->addline($desc, $ht, $qty, $tva_tx, $localtax1_tx, $localtax2_tx, 0, 0, '', $remise_percent, $price_base_type, $ttc, $type,'','', $date_start, $date_end);
     	}