diff --git a/database/migrations/2026_06_19_225430_update_invoice_recipient.php b/database/migrations/2026_06_19_225430_update_invoice_recipient.php
index 0f3e0fd7..8f042373 100644
--- a/database/migrations/2026_06_19_225430_update_invoice_recipient.php
+++ b/database/migrations/2026_06_19_225430_update_invoice_recipient.php
@@ -11,8 +11,20 @@ return new class extends Migration
      */
     public function up(): void
     {
-        if (\DB::table('invoices')->count()) {
-            throw new \Exception('Migration not possibue for current bills.');
+        foreach (DB::table('invoices')->get() as $invoice) {
+            $to = json_decode($invoice->to);
+            $position = DB::table('invoice_positions')->where('invoice_id', $invoice->id)->first();
+
+            if ($position) {
+                $member = DB::table('members')->where('id', $position->member_id)->first();
+                if ($member) {
+                    $to->email = $member->email_parents ?: $member->email;
+                }
+            }
+
+            $to->greeting = 'Liebe '.$to->name;
+
+            DB::table('invoices')->where('id', $invoice->id)->update(['to' => json_encode($to)]);
         }
 
         Schema::table('invoices', function (Blueprint $table) {