Looks like Willian, the maintainer of Moove, reported this a Moodle problem not a Moove problem: https://github.com/willianmano/moodle-theme_moove/issues/86
and it is/has been patched for 3.5 and 3.6 but not being backported to 3.4: https://tracker.moodle.org/browse/MDL-62345