diff --git a/www/lib/class.erpapi.php b/www/lib/class.erpapi.php
index 4dcc75d8..de87fb3e 100644
--- a/www/lib/class.erpapi.php
+++ b/www/lib/class.erpapi.php
@@ -29451,7 +29451,7 @@ function Firmendaten($field,$projekt="")
           $dbfield = "next_$type";
           $belegnr = $this->app->DB->Select("SELECT $dbfield FROM projekt WHERE id='$projekt' LIMIT 1");
           if (!empty($belegnr)) {
-            $newbelegnr = $this->CalcNextNummer($dbvalue);
+            $newbelegnr = $this->CalcNextNummer($belegnr);
             $this->app->DB->Update("UPDATE projekt SET $dbfield='$newbelegnr' WHERE id='$projekt' LIMIT 1");
           }
         }
diff --git a/www/pages/shopimporter_presta.php b/www/pages/shopimporter_presta.php
index f874464c..68fda8d6 100644
--- a/www/pages/shopimporter_presta.php
+++ b/www/pages/shopimporter_presta.php
@@ -278,7 +278,7 @@ class Shopimporter_Presta extends ShopimporterBase
             'articleid' => strval($order_row->product_reference),
             'name' => strval($order_row->product_name),
             'quantity' => strval($order_row->product_quantity),
-            'price_netto' => strval($order_row->product_price),
+            'price_netto' => strval($order_row->unit_price_tax_excl),
             'steuersatz' => $steuersatz
         ];
       }