1 files changed, 1 insertions, 1 deletions

diff --git a/coreutils/who.c b/coreutils/who.c
index e6bd0afa8..a206ec54b 100644
--- a/coreutils/who.c
+++ b/coreutils/who.c
@@ -41,7 +41,7 @@ static void idle_string(char *str6, time_t t)
 }
 
 int who_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int who_main(int argc, char **argv)
+int who_main(int argc ATTRIBUTE_UNUSED, char **argv)
 {
         char str6[6];
         struct utmp *ut;