1 files changed, 5 insertions, 3 deletions

diff --git a/coreutils/tty.c b/coreutils/tty.c
index b0a50ff61..48e15117c 100644
--- a/coreutils/tty.c
+++ b/coreutils/tty.c
@@ -13,7 +13,7 @@
 #include "libbb.h"
 
 int tty_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int tty_main(int argc, char **argv)
+int tty_main(int argc, char **argv SKIP_INCLUDE_SUSv2(ATTRIBUTE_UNUSED))
 {
         const char *s;
         USE_INCLUDE_SUSv2(int silent;)  /* Note: No longer relevant in SUSv3. */
@@ -22,15 +22,17 @@ int tty_main(int argc, char **argv)
         xfunc_error_retval = 2; /* SUSv3 requires > 1 for error. */
 
         USE_INCLUDE_SUSv2(silent = getopt32(argv, "s");)
+        USE_INCLUDE_SUSv2(argc -= optind;)
+        SKIP_INCLUDE_SUSv2(argc -= 1;)
 
         /* gnu tty outputs a warning that it is ignoring all args. */
-        bb_warn_ignoring_args(argc - optind);
+        bb_warn_ignoring_args(argc);
 
         retval = 0;
 
         s = ttyname(0);
         if (s == NULL) {
-        /* According to SUSv3, ttyname can on fail with EBADF or ENOTTY.
+        /* According to SUSv3, ttyname can fail with EBADF or ENOTTY.
          * We know the file descriptor is good, so failure means not a tty. */
                 s = "not a tty";
                 retval = 1;