diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ca947519027f7..6b270eb90ccae 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -6286,8 +6286,19 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
 			if (is_master_tp(tp)) {
 				mptcp_update_metasocket(mptcp_meta_sk(sk));
 			} else {
+				struct sock *meta_sk = mptcp_meta_sk(sk);
+
 				tcp_send_ack(sk);
 
+				/* Update RTO as it might be worse/better */
+				mptcp_set_rto(sk);
+
+				/* If the new RTO would fire earlier, pull it in! */
+				if (tcp_sk(meta_sk)->packets_out &&
+				    icsk->icsk_timeout > inet_csk(meta_sk)->icsk_rto + jiffies) {
+					tcp_rearm_rto(meta_sk);
+				}
+
 				mptcp_push_pending_frames(mptcp_meta_sk(sk));
 			}
 		}