attr is not correct generated?

[vermaete]

A register of 32 bits with one field with a reset value of 0x0001 is generated okay.

[
    { "name": "field0", "bits": 16, "attr": 1 },
    {                   "bits": 16, "attr": 0 }
]

But the reset value is not generated correct for a register also 32 bits but having only one field of 32 bits and the same reset value.

[
    { "name": "field0", "bits": 32, "attr": 1 }
]

The reset value here is for all bits '0'. The first bit should be '1'.

Generated with npx bit-field -i ok.json > ok.svg with version 1.9.0

Thanks for all advice.