diff --git a/application/HistoricBill/HistoricBillController.php b/application/HistoricBill/HistoricBillController.php
index 71f6bcbb9..4ad938a7a 100644
--- a/application/HistoricBill/HistoricBillController.php
+++ b/application/HistoricBill/HistoricBillController.php
@@ -11,6 +11,8 @@ class HistoricBillController extends TTCrud {
         ['key' => 'address2', 'text' => 'Adresse 2', 'required' => true],
         ['key' => 'address3', 'text' => 'Adresse 3', 'required' => true],
         ['key' => 'address4', 'text' => 'Adresse 4', 'required' => true],
+        ['key' => 'brutto_sum', 'text' => 'Brutto Summe', 'required' => true],
+        ['key' => 'fibu_number', 'text' => 'FIBU', 'required' => true],
         ['key' => 'date_outgoing', 'text' => 'Ausgangsdatum', 'required' => true],
     ];
 }
\ No newline at end of file
diff --git a/application/HistoricBill/HistoricBillModel.php b/application/HistoricBill/HistoricBillModel.php
index 42d93a2bf..648c5b293 100644
--- a/application/HistoricBill/HistoricBillModel.php
+++ b/application/HistoricBill/HistoricBillModel.php
@@ -14,6 +14,8 @@ class HistoricBillModel extends TTCrudBaseModel {
     public string $accountnumber;
     public string $BIC;
     public string $IBAN;
+    public int $brutto_sum;
+    public string $fibu_number;
     public string $Mandatinvoice_number;
     public int $payment;
 }
\ No newline at end of file
diff --git a/db/migrations/20250102100000_historicbill_modify.php b/db/migrations/20250102100000_historicbill_modify.php
new file mode 100644
index 000000000..1497c6fb0
--- /dev/null
+++ b/db/migrations/20250102100000_historicbill_modify.php
@@ -0,0 +1,31 @@
+<?php declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class HistoricbillModify extends AbstractMigration
+{
+    public function up(): void
+    {
+        if ($this->getEnvironment() == "thetool") {
+            $table = $this->table("HistoricBill");
+
+            $table->addColumn("brutto_sum", "decimal", ["null" => true, "precision" => 10, "scale" => 4])
+                ->update();
+
+            $table->addColumn("fibu_number", "string", ["null" => true, "limit" => 255])
+                ->update();
+
+        }
+    }
+
+    public function down(): void
+    {
+        if ($this->getEnvironment() == "thetool") {
+            $table = $this->table("HistoricBill");
+            $table->removeColumn("brutto_sum")
+                ->update();
+            $table->removeColumn("fibu_number")
+                ->update();
+        }
+    }
+}