diff --git a/services/nginx/app/objects/customer_vehicles_o.php b/services/nginx/app/objects/customer_vehicles_o.php
index 6962840e..058d84b8 100644
--- a/services/nginx/app/objects/customer_vehicles_o.php
+++ b/services/nginx/app/objects/customer_vehicles_o.php
@@ -503,6 +503,11 @@ class customer_vehicles_o extends db
         // Convert the array of transaction ids to a comma separated string
         $orders = '';
         foreach ($transaction_ids as $transaction_id) {
+            // Check if the transaction is included in the invoicing.
+            $tmp = (new orders_o())->select((int)$transaction_id);
+            if (!$tmp->isIncludedInInvoicing()) {
+                continue; // The transaction is not included in the invoicing, skip it
+            }
             $orders .= (int)$transaction_id . ',';
         }
         // Remove the last comma