1 files changed, 1 insertions, 2 deletions

diff --git a/util-linux/flock.c b/util-linux/flock.c
index 0c9158508..dd0bfd430 100644
--- a/util-linux/flock.c
+++ b/util-linux/flock.c
@@ -45,9 +45,8 @@ int flock_main(int argc UNUSED_PARAM, char **argv)
                 "nonblock\0"    No_argument       "n"
                 ;
 #endif
-        opt_complementary = "-1";
 
-        opt = getopt32long(argv, "+sxnu", flock_longopts);
+        opt = getopt32long(argv, "^+" "sxnu" "\0" "-1", flock_longopts);
         argv += optind;
 
         if (argv[1]) {