---
title: "My Mnemonic Phrase Is Invalid"
description: "If you're trying to restore your Polkadot account from your mnemonic phrase but you're getting an error that it is invalid, make sure to check a few things listed here."
url: "https://developers.polkadot.com/wiki/learn/how-to/mnemonic-invalid/"
word_count: 177
token_estimate: 261
version_hash: "sha256:e5e383c527c49d2e67ba7b0f0e298b3607bbd7b4f45661effd06ad9ed649c432"
last_updated: "2026-11-13T11:04:04+00:00"
---

# My Mnemonic Phrase Is Invalid

:::note[Related concepts]
For the underlying concepts, see [Accounts](/wiki/learn/learn-accounts/).
:::

When you're trying to restore your account on the Polkadot Developer Interface or the Polkadot Developer Signer, you may get an error like in these screenshots.

Polkadot Developer Interface:

![](/wiki/assets/how-to/65032425393.png)

Polkadot Developer Signer:

![](/wiki/assets/how-to/65016202103.png)

If your mnemonic phrase appears to be invalid, please check the following:

  * That all the words are entered. The error message will show up until you fill out the whole mnemonic phrase correctly. Usually, a mnemonic phrase consists of 12 or 24 words.

  * All the words are spelled correctly. You can check them against [this list](https://github.com/bitcoin/bips/blob/master/bip-0039/english.txt) to ensure they are spelled properly.

  * The words are entered in the correct order.

  * You enter the words in small letters only.

  * You use only one space between the words and no space or new line at the end or beginning.

  * Your keyboard is set to English.

* * *