diff --git a/kernel/fork.c b/kernel/fork.c
index 8e17c3fbce42..35645f57bd2f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2068,6 +2068,9 @@ static __latent_entropy struct task_struct *copy_process(
 	p = dup_task_struct(current, node);
 	if (!p)
 		goto fork_out;
+	p->flags &= ~PF_KTHREAD;
+	if (args->kthread)
+		p->flags |= PF_KTHREAD;
 	if (args->io_thread) {
 		/*
 		 * Mark us an IO worker, and block any signal that isn't