diff --git a/procps/uptime.c b/procps/uptime.c
index 07e8d60..b729055 100644
--- a/procps/uptime.c
+++ b/procps/uptime.c
@@ -26,7 +26,7 @@
 
 
 int uptime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int uptime_main(int argc, char **argv)
+int uptime_main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
 {
 	int updays, uphours, upminutes;
 	struct sysinfo info;