diff --git a/arch/x86/syscall-x86-64.def b/arch/x86/syscall-x86-64.def
index b793e8e1e..29afdf800 100644
--- a/arch/x86/syscall-x86-64.def
+++ b/arch/x86/syscall-x86-64.def
@@ -79,11 +79,11 @@ __NR_set_thread_area	205		sys_set_thread_area	(user_desc_t *info)
 __NR_get_thread_area	211		sys_get_thread_area	(user_desc_t *info)
 __NR_set_tid_address	218		sys_set_tid_address	(int *tid_addr)
 __NR_restart_syscall	219		sys_restart_syscall	(void)
-__NR_sys_timer_create	222		sys_timer_create	(clockid_t which_clock, struct sigevent *timer_event_spec, timer_t *created_timer_id)
-__NR_sys_timer_settime	223		sys_timer_settime	(timer_t timer_id, int flags, const struct itimerspec *new_setting, struct itimerspec *old_setting)
-__NR_sys_timer_gettime	224		sys_timer_gettime	(int timer_id, const struct itimerspec *setting)
-__NR_sys_timer_getoverrun	225		sys_timer_getoverrun	(int timer_id)
-__NR_sys_timer_delete	226		sys_timer_delete	(timer_t timer_id)
+__NR_timer_create	222		sys_timer_create	(clockid_t which_clock, struct sigevent *timer_event_spec, timer_t *created_timer_id)
+__NR_timer_settime	223		sys_timer_settime	(timer_t timer_id, int flags, const struct itimerspec *new_setting, struct itimerspec *old_setting)
+__NR_timer_gettime	224		sys_timer_gettime	(int timer_id, const struct itimerspec *setting)
+__NR_timer_getoverrun	225		sys_timer_getoverrun	(int timer_id)
+__NR_timer_delete	226		sys_timer_delete	(timer_t timer_id)
 __NR_clock_gettime	228		sys_clock_gettime	(const clockid_t which_clock, const struct timespec *tp)
 __NR_exit_group		231		sys_exit_group		(int error_code)
 __NR_io_setup		206		sys_io_setup		(unsigned nr_events, aio_context_t *ctx)