diff --git a/lib/wallets/crypto_currency/coins/namecoin.dart b/lib/wallets/crypto_currency/coins/namecoin.dart
index e390d599e..77940784e 100644
--- a/lib/wallets/crypto_currency/coins/namecoin.dart
+++ b/lib/wallets/crypto_currency/coins/namecoin.dart
@@ -229,7 +229,7 @@ class Namecoin extends Bip39HDCurrency with ElectrumXCurrencyInterface {
   bool get hasMnemonicPassphraseSupport => true;
 
   @override
-  List<int> get possibleMnemonicLengths => [defaultSeedPhraseLength, 12];
+  List<int> get possibleMnemonicLengths => [defaultSeedPhraseLength, 24];
 
   @override
   AddressType get defaultAddressType => defaultDerivePathType.getAddressType();