Key configuration error

Knot cannot process TSIG key configuration:

knot1.conf' (line 24 token ';') - key 'd5jUGfAxOoP AEuWzA40eW5RrOPtoPgT2XvaMH' is not defined

keys {
        d5jUGfAxOoPAEuWzA40eW5RrOPtoPgT2XvaMH hmac-sha512 "0XjclWk4TI9CkHsPn65fTiFNkOddlSFMwA6RV7H/1PQAApFaycJxQCBRXrvWttQVRo8FrvyyzH1pirIF2BgmZQ==";
}

remotes {
        local {
                address ::1;
                key d5jUGfAxOoPAEuWzA40eW5RrOPtoPgT2XvaMH;
        }
}