diff --git a/lib/utils/keys.dart b/lib/utils/keys.dart
index a89a5d6c..488223f7 100644
--- a/lib/utils/keys.dart
+++ b/lib/utils/keys.dart
@@ -6,7 +6,7 @@ import 'package:cryptography/cryptography.dart';
 
 Uint8List randomBytes(int length) {
   final random = Random.secure();
-  final bytes = Uint8List(32);
+  final bytes = Uint8List(length);
   for (int i = 0; i < length; i++) {
     bytes[i] = random.nextInt(256);
   }