diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 4ae758bcb2cf..394a1ddb0782 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1947,7 +1947,8 @@ static __net_exit void l2tp_exit_net(struct net *net)
 	}
 	rcu_read_unlock_bh();
 
-	flush_workqueue(l2tp_wq);
+	if (l2tp_wq)
+		flush_workqueue(l2tp_wq);
 	rcu_barrier();
 }