diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index 5de1ee5ad99..07450eef805 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -2033,7 +2033,7 @@ class Product extends CommonObject
         $sql .= " accountancy_code_buy, accountancy_code_buy_intra, accountancy_code_buy_export,";
         $sql .= " accountancy_code_sell, accountancy_code_sell_intra, accountancy_code_sell_export, stock, pmp,";
         $sql .= " datec, tms, import_key, entity, desiredstock, tobatch, fk_unit,";
-        $sql .= " fk_price_expression, price_autogen";
+        $sql .= " fk_price_expression, price_autogen, model_pdf";
         $sql .= " FROM ".MAIN_DB_PREFIX."product";
         if ($id) {
             $sql .= " WHERE rowid = ".(int) $id;
@@ -2134,6 +2134,7 @@ class Product extends CommonObject
                 $this->fk_price_expression            = $obj->fk_price_expression;
                 $this->fk_unit                        = $obj->fk_unit;
                 $this->price_autogen = $obj->price_autogen;
+                $this->model_pdf = $obj->model_pdf;
 
                 $this->db->free($resql);