Is it a bad practice for a required switch to start without having any option checked?

I currently have several (required) components in a form, in which I must select only one option (of the 2 that exist). The previous designer used a switch, however the first time none of the 2 is selected by default, this because the client indicated that he did not want to give priority to one, then I do not know if it is a good practice and if I should change for another component, for example a dropdown