1 files changed, 1 insertions, 2 deletions

diff --git a/util-linux/blkdiscard.c b/util-linux/blkdiscard.c
index 048d39e83..5863f0aab 100644
--- a/util-linux/blkdiscard.c
+++ b/util-linux/blkdiscard.c
@@ -53,8 +53,7 @@ int blkdiscard_main(int argc UNUSED_PARAM, char **argv)
                 OPT_SECURE = (1 << 2),
         };
 
-        opt_complementary = "=1";
-        opts = getopt32(argv, "o:l:s", &offset_str, &length_str);
+        opts = getopt32(argv, "^" "o:l:s" "\0" "=1", &offset_str, &length_str);
         argv += optind;
 
         fd = xopen(argv[0], O_RDWR|O_EXCL);