diff --git a/net/mptcp/mptcp_ctrl.c b/net/mptcp/mptcp_ctrl.c
index bd5eb4f965c58..ca0a7901dc1d4 100644
--- a/net/mptcp/mptcp_ctrl.c
+++ b/net/mptcp/mptcp_ctrl.c
@@ -1707,6 +1707,7 @@ void mptcp_sub_close(struct sock *sk, unsigned long delay)
 		if (!cancel_delayed_work(work))
 			return;
 		sock_put(sk);
+		mptcp_mpcb_put(tp->mpcb);
 	}
 
 	if (!delay) {