diff --git a/src/Views/invoices/list.php b/src/Views/invoices/list.php
index 4dd373b..f84e6a1 100644
--- a/src/Views/invoices/list.php
+++ b/src/Views/invoices/list.php
@@ -64,7 +64,7 @@
                             <?php if ($inv['status'] !== 'Entwurf'): ?>
                             <a href="/invoices/<?= $h($inv['id']) ?>/pdf" class="btn btn-secondary btn-sm">PDF</a>
                             <?php endif; ?>
-                            <?php if (in_array($inv['status'], ['Finalisiert','Gesendet','Bezahlt'])): ?>
+                            <?php if (in_array($inv['status'], ['Finalisiert','Gesendet','Bezahlt']) && empty($inv['storno_of_id'])): ?>
                             <form method="post"
                                   action="/invoices/<?= $h($inv['id']) ?>/cancel"
                                   style="display:inline"