1 files changed, 1 insertions, 1 deletions
diff --git a/time/clock.c b/time/clock.c
index d7a1f1491d..acd624fd3e 100644
--- a/time/clock.c
+++ b/time/clock.c
@@ -21,7 +21,7 @@
 
 /* Return the time used by the program so far (user time + system time).  */
 clock_t
-clock ()
+clock (void)
 {
   __set_errno (ENOSYS);
   return (clock_t) -1;