diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 86f3890c3d088a879c0f39896dc2125a79a79e5e..540542b93f9f9820fabb7c353907f391498bd4a2 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3685,7 +3685,7 @@ SYSCALL_DEFINE3(sched_setattr, pid_t, pid, struct sched_attr __user *, uattr,
 	if (retval)
 		return retval;
 
-	if (attr.sched_policy < 0)
+	if ((int)attr.sched_policy < 0)
 		return -EINVAL;
 
 	rcu_read_lock();