diff --git a/sched/sched/sched_setaffinity.c b/sched/sched/sched_setaffinity.c
index bf9daf335ac..9a6a0c9cdc6 100644
--- a/sched/sched/sched_setaffinity.c
+++ b/sched/sched/sched_setaffinity.c
@@ -159,5 +159,5 @@ errout_with_csection:
 errout_with_lock:
   sched_unlock();
   set_errno(errcode);
-  return ERROR;
+  return errcode ? ERROR : OK;
 }