diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index a57f3eab7b6a3..e7bb305f96242 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2124,6 +2124,8 @@ static struct sock *mptcp_subflow_get_retrans(const struct mptcp_sock *msk)
 static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
 			      struct mptcp_subflow_context *subflow)
 {
+	struct mptcp_sock *msk = mptcp_sk(sk);
+
 	list_del(&subflow->node);
 
 	lock_sock_nested(ssk, SINGLE_DEPTH_NESTING);
@@ -2152,6 +2154,9 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk,
 	release_sock(ssk);
 
 	sock_put(ssk);
+
+	if (ssk == msk->last_snd)
+		msk->last_snd = NULL;
 }
 
 void mptcp_close_ssk(struct sock *sk, struct sock *ssk,