Shortcode for SELECT fields not working

Hello,
I have a select field within a custom post type within a loop; I have tried to use:

<?php $type = do_shortcode('[rwmb_meta id="listing_type"]'); echo $type;?>

But the value doesn't echo. If I switch it to a text field the value will echo. I'm unsure if there are special requirements for a select field...

Thank you,
Travis