diff --git a/kernel/printk/nbcon.c b/kernel/printk/nbcon.c
index 4b03b019cd5e..354f274d8a42 100644
--- a/kernel/printk/nbcon.c
+++ b/kernel/printk/nbcon.c
@@ -1837,6 +1837,8 @@ void nbcon_free(struct console *con)
 	/* Synchronize the kthread stop. */
 	lockdep_assert_console_list_lock_held();
 
+	irq_work_sync(&con->irq_work);
+
 	if (printk_kthreads_running) {
 		nbcon_kthread_stop(con);