diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index eacfe6a..00aa80e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1914,7 +1914,7 @@
 	info->tcpi_last_data_recv = jiffies_to_msecs(now - icsk->icsk_ack.lrcvtime);
 	info->tcpi_last_ack_recv = jiffies_to_msecs(now - tp->rcv_tstamp);
 
-	info->tcpi_pmtu = tp->pmtu_cookie;
+	info->tcpi_pmtu = icsk->icsk_pmtu_cookie;
 	info->tcpi_rcv_ssthresh = tp->rcv_ssthresh;
 	info->tcpi_rtt = jiffies_to_usecs(tp->srtt)>>3;
 	info->tcpi_rttvar = jiffies_to_usecs(tp->mdev)>>2;