13-word passphrase causes error in js console

[slaweet]

Expected behaviour

Entering 13-word passphrase should give "Invalid passphrase" error

Actual behaviour

Entering 13-word passphrase causes an error, therefore the input value doesn't update

Uncaught RangeError: Index out of range
    at checkInt (index.js:1260)
    at Uint8Array.writeUInt8 (index.js:1304)
    at Function.Mnemonic.isValid (mnemonic.js:131)
    at isValidPassphrase (passphrase.js:92)
    at PassphraseInput.handleValueChange (index.js:25)
    at Input._this.handleChange (Input.js:74)
    at HTMLUnknownElement.callCallback (react-dom.development.js:1299)
    at Object.invokeGuardedCallbackDev (react-dom.development.js:1338)
    at Object.invokeGuardedCallback (react-dom.development.js:1195)
    at Object.invokeGuardedCallbackAndCatchFirstError (react-dom.development.js:1209)

Steps to reproduce

• Open nano
• enter 12-word passphrase, e.g.awkward service glimpse punch genre calm grow life bullet boil match like
• type one more valid word, e.g. life