diff --git a/htdocs/product/fiche.php b/htdocs/product/fiche.php
index 4a53766fa81..4d4fa4ac2ce 100644
--- a/htdocs/product/fiche.php
+++ b/htdocs/product/fiche.php
@@ -79,7 +79,11 @@ if ($action == 'addinfacture')
   $facture = New Facture($db);
 
   $facture->fetch($HTTP_POST_VARS["factureid"]);
-  $facture->addline($HTTP_POST_VARS["factureid"], $product->label, $product->price, $HTTP_POST_VARS["qty"], $product->tva_tx, $id);
+  $facture->addline($HTTP_POST_VARS["factureid"], 
+		    addslashes($product->label), 
+		    $product->price, 
+		    $HTTP_POST_VARS["qty"], 
+		    $product->tva_tx, $id);
 
   $action = '';
   $mesg = 'Produit ajouté ŕ la facture ';