1 files changed, 3 insertions, 2 deletions

diff --git a/util-linux/mkfs_vfat.c b/util-linux/mkfs_vfat.c
index f9768ed56..426854b1e 100644
--- a/util-linux/mkfs_vfat.c
+++ b/util-linux/mkfs_vfat.c
@@ -269,8 +269,9 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
                 OPT_v = 1 << 16, // verbose
         };
 
-        opt_complementary = "-1";//:b+:f+:F+:h+:r+:R+:s+:S+:vv:c--l:l--c";
-        opts = getopt32(argv, "Ab:cCf:F:h:Ii:l:m:n:r:R:s:S:v",
+        opts = getopt32(argv, "^"
+                "Ab:cCf:F:h:Ii:l:m:n:r:R:s:S:v"
+                "\0" "-1", //:b+:f+:F+:h+:r+:R+:s+:S+:vv:c--l:l--c
                 NULL, NULL, NULL, NULL, NULL,
                 NULL, NULL, &volume_label, NULL, NULL, NULL, NULL);
         argv += optind;