1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index bf7a22412bcb..12de90a5047c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -648,7 +648,7 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
                                    TCPOLEN_TIMESTAMP);
                 rep.opt[1] = htonl(tcp_time_stamp);
                 rep.opt[2] = htonl(ts);
-                arg.iov[0].iov_len = TCPOLEN_TSTAMP_ALIGNED;
+                arg.iov[0].iov_len += TCPOLEN_TSTAMP_ALIGNED;
         }
 
         /* Swap the send and the receive. */