diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index e9cc7e0..03f926c7 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1707,7 +1707,7 @@
  * @min: Minimum time in usecs to sleep
  * @max: Maximum time in usecs to sleep
  */
-void usleep_range(unsigned long min, unsigned long max)
+void __sched usleep_range(unsigned long min, unsigned long max)
 {
 	__set_current_state(TASK_UNINTERRUPTIBLE);
 	do_usleep_range(min, max);