diff --git a/sched/sched/sched.h b/sched/sched/sched.h
index aa7e0c1c186..3fb922585cb 100644
--- a/sched/sched/sched.h
+++ b/sched/sched/sched.h
@@ -344,8 +344,8 @@ void nxsched_reassess_timer(void);
 /* Scheduler policy support */
 
 #if CONFIG_RR_INTERVAL > 0
-uint32_t nxsched_process_roundrobin(FAR struct tcb_s *tcb, uint32_t ticks,
-                                    bool noswitches);
+clock_t nxsched_process_roundrobin(FAR struct tcb_s *tcb, clock_t ticks,
+                                   bool noswitches);
 #endif
 
 #ifdef CONFIG_SCHED_SPORADIC
@@ -355,8 +355,8 @@ int  nxsched_stop_sporadic(FAR struct tcb_s *tcb);
 int  nxsched_reset_sporadic(FAR struct tcb_s *tcb);
 int  nxsched_resume_sporadic(FAR struct tcb_s *tcb);
 int  nxsched_suspend_sporadic(FAR struct tcb_s *tcb);
-uint32_t nxsched_process_sporadic(FAR struct tcb_s *tcb, uint32_t ticks,
-                                  bool noswitches);
+clock_t nxsched_process_sporadic(FAR struct tcb_s *tcb, clock_t ticks,
+                                 bool noswitches);
 void nxsched_sporadic_lowpriority(FAR struct tcb_s *tcb);
 #endif
 
diff --git a/sched/sched/sched_roundrobin.c b/sched/sched/sched_roundrobin.c
index 856cbe99982..cd974c7e9bd 100644
--- a/sched/sched/sched_roundrobin.c
+++ b/sched/sched/sched_roundrobin.c
@@ -124,8 +124,8 @@ static int nxsched_roundrobin_handler(FAR void *cookie)
  *
  ****************************************************************************/
 
-uint32_t nxsched_process_roundrobin(FAR struct tcb_s *tcb, uint32_t ticks,
-                                    bool noswitches)
+clock_t nxsched_process_roundrobin(FAR struct tcb_s *tcb, clock_t ticks,
+                                   bool noswitches)
 {
   uint32_t ret;
   int decr;
diff --git a/sched/sched/sched_sporadic.c b/sched/sched/sched_sporadic.c
index 3907acf4f1a..62bf5aa45c0 100644
--- a/sched/sched/sched_sporadic.c
+++ b/sched/sched/sched_sporadic.c
@@ -1181,8 +1181,8 @@ int nxsched_suspend_sporadic(FAR struct tcb_s *tcb)
  *
  ****************************************************************************/
 
-uint32_t nxsched_process_sporadic(FAR struct tcb_s *tcb, uint32_t ticks,
-                                bool noswitches)
+clock_t nxsched_process_sporadic(FAR struct tcb_s *tcb, clock_t ticks,
+                                 bool noswitches)
 {
   FAR struct sporadic_s *sporadic;