diff --git a/routes/web.php b/routes/web.php
index 1767fd9a..b77667ac 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -6076,14 +6076,16 @@ Route::get('/aggiornapreorder/{idarticolo}/{postid}', function ($idarticolo, $po
         $product_id = $product['id'];
         $sku = $product['sku'];
 
+        $campoPreOrder = '_wpro_variable_is_preorder';
+
         if ($product) {
             $titolo = $product['name'];
 
             echo "Prodotto trovato: " . $product['name'] . "StockQty = " . $product['stock_quantity'] . "<br>";
             
 
-            if (isKeyPresent($product['meta_data'], '_is_pre_order')) {
-                $preorder = getValueByKey($product['meta_data'], '_is_pre_order');
+            if (isKeyPresent($product['meta_data'], $campoPreOrder)) {
+                $preorder = getValueByKey($product['meta_data'], $campoPreOrder);
             }
 
             if ($preorder) {
@@ -6111,7 +6113,7 @@ Route::get('/aggiornapreorder/{idarticolo}/{postid}', function ($idarticolo, $po
             $idprodotto = $product['parent_id'];
             if ($idprodotto > 0) {
                 $data['meta_data'] = $product['meta_data'];
-                updateValueByKey($data['meta_data'], '_is_pre_order', 'true');
+                updateValueByKey($data['meta_data'], $campoPreOrder, 'true');
 
                 echo "<br>Dati da Salvare:";
                 echo showarray($data);