This bug was fixed in the package partman-efi - 25ubuntu6
--------------- partman-efi (25ubuntu6) trusty; urgency=low
* Use mkfs.fat rather than mkdosfs if it exists (LP: #1257702). -- Colin Watson <email address hidden> Wed, 04 Dec 2013 14:36:21 +0000
This bug was fixed in the package partman-efi - 25ubuntu6
---------------
partman-efi (25ubuntu6) trusty; urgency=low
* Use mkfs.fat rather than mkdosfs if it exists (LP: #1257702).
-- Colin Watson <email address hidden> Wed, 04 Dec 2013 14:36:21 +0000