1 files changed, 1 insertions, 1 deletions

diff --git a/tty.c b/tty.c
index 6eebed9fb..46201d3e6 100644
--- a/tty.c
+++ b/tty.c
@@ -38,5 +38,5 @@ extern int tty_main(int argc, char **argv)
                 else
                         puts("not a tty");
         }
-        return(isatty(0) ? TRUE : FALSE);
+        return(isatty(0) ? EXIT_SUCCESS : EXIT_FAILURE);
 }