diff --git a/sched/clock/clock.h b/sched/clock/clock.h
index f939e38080..0555ea2422 100644
--- a/sched/clock/clock.h
+++ b/sched/clock/clock.h
@@ -86,7 +86,8 @@ void clock_timer(void);
 
 #ifdef CONFIG_CLOCK_ADJTIME
 void clock_set_adjust(long long adj_usec, long long adj_count,
-                      long long *adj_usec_old, long long *adj_count_old);
+                      FAR long long *adj_usec_old,
+                      FAR long long *adj_count_old);
 #endif
 
 int  clock_abstime2ticks(clockid_t clockid,
diff --git a/sched/clock/clock_initialize.c b/sched/clock/clock_initialize.c
index 42d7eb3db6..accbbfd0ef 100644
--- a/sched/clock/clock_initialize.c
+++ b/sched/clock/clock_initialize.c
@@ -429,7 +429,8 @@ skip:
 
 #ifdef CONFIG_CLOCK_ADJTIME
 void clock_set_adjust(long long adj_usec, long long adj_count,
-                      long long *adj_usec_old, long long *adj_count_old)
+                      FAR long long *adj_usec_old,
+                      FAR long long *adj_count_old)
 {
   /* Get old adjust values. */