1 files changed, 1 insertions, 1 deletions

diff --git a/src/atimer.c b/src/atimer.c
index d67e1375f9a..eb3136ae55d 100644
--- a/src/atimer.c
+++ b/src/atimer.c
@@ -408,7 +408,7 @@ do_pending_atimers (void)
    some systems like HPUX (see process.c).  */
 
 void
-turn_on_atimers (int on)
+turn_on_atimers (bool on)
 {
   if (on)
     {