diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 3da5718cd641..eab4a18f71c2 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2,6 +2,9 @@
 /*
  * Scheduler internal types and methods:
  */
+#ifndef _KERNEL_SCHED_SCHED_H
+#define _KERNEL_SCHED_SCHED_H
+
 #include <linux/sched.h>
 
 #include <linux/sched/autogroup.h>
@@ -3137,3 +3140,4 @@ extern int sched_dynamic_mode(const char *str);
 extern void sched_dynamic_update(int mode);
 #endif
 
+#endif /* _KERNEL_SCHED_SCHED_H */