diff --git a/app/Invoice/Models/Invoice.php b/app/Invoice/Models/Invoice.php
index 3f731fd4..2890c11b 100644
--- a/app/Invoice/Models/Invoice.php
+++ b/app/Invoice/Models/Invoice.php
@@ -46,7 +46,7 @@ class Invoice extends Model
      */
     public static function createForMember(Member $member, Collection $members, int $year): self
     {
-        $invoice = new static([
+        $invoice = new self([
             'to' => [
                 'name' => 'Familie ' . $member->lastname,
                 'address' => $member->address,