gajim unsupported locale setting

[jgart]

 λ gajim
unsupported locale setting
No translations found for en_US
Dirs searched: [PosixPath('/home/jgart/.local/share'), 
PosixPath('/gnu/store/h6qdfd4sjdg28jq16600hcjky0cfw9gx-shared-mime-info-1.15/share'),
 PosixPath('/gnu/store/7njbpmsgwmx59xn2r6q097iy2wwscb44-gtk+-3.24.30/share'), 
PosixPath('/gnu/store/5nqkzrcgwbbk9lnfz73g1nidfp57szlm-gsettings-desktop-schemas-41.0/share'),
 PosixPath('/gnu/store/bnsf9il448hl5xjavbhq3rcx355svz2v-glib-2.70.2/share'), 
PosixPath('/gnu/store/iihdwvlczg5a51rpzlk6w49233l4gbdf-gajim-1.4.6/share'), 
PosixPath('/home/jgart/.guix-profile/share'), 
PosixPath('/home/jgart/.guix-profile/share'), 
PosixPath('/home/jgart/.guix-profile/share'), 
PosixPath('/home/jgart/.guix-profile/share'), PosixPath('/usr/share')]

(.gajim-real:13038): Gtk-WARNING **: 23:41:33.303: Locale not supported by C 
library.
        Using the fallback 'C' locale.


wdyt

on void linux