luhux <luhux@outlook.com> writes:

> guix describe:
> Generation 15   Oct 16 2020 20:24:15    (current)
>   guix 24dd78a
> 	repository URL: https://git.savannah.gnu.org/git/guix.git 
> 	branch: master
> 	commit: 24dd78a3cdd45d73d61c1133cac21f21c2331c2a

This problem was fixed a few commits later, in
e39e8d97c17c7e7a008a4f4e125ae6b3844cc03a.  Thanks for the report!