diff --git a/src/Views/bank/fints.php b/src/Views/bank/fints.php
index db0afcb..116e828 100644
--- a/src/Views/bank/fints.php
+++ b/src/Views/bank/fints.php
@@ -21,6 +21,7 @@ $connectionsJson = json_encode(array_map(fn($c) => [
     'benutzerkennung' => $c['benutzerkennung'] ?? '',
     'account_filter'  => $c['account_filter']  ?? null,
     'fetch_range'     => $c['fetch_range']     ?? 'last_fetched',
+    'tan_mode_id'     => isset($c['tan_mode_id']) && $c['tan_mode_id'] !== null ? (int)$c['tan_mode_id'] : null,
 ], $connections));
 
 $fetchRangeOptions = [