diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c
index bc03fb37de4..5397b9f7bc4 100644
--- a/sys/netinet/tcp_subr.c
+++ b/sys/netinet/tcp_subr.c
@@ -99,6 +99,7 @@ __FBSDID("$FreeBSD$");
 #include <netinet/tcp_var.h>
 #include <netinet/tcp_log_buf.h>
 #include <netinet/tcp_syncache.h>
+#include <netinet/tcp_hpts.h>
 #include <netinet/cc/cc.h>
 #ifdef INET6
 #include <netinet6/tcp6_var.h>
diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c
index c9d8c844e7e..2d41ccc8aaa 100644
--- a/sys/netinet/tcp_usrreq.c
+++ b/sys/netinet/tcp_usrreq.c
@@ -94,6 +94,7 @@ __FBSDID("$FreeBSD$");
 #include <netinet/tcpip.h>
 #include <netinet/cc/cc.h>
 #include <netinet/tcp_fastopen.h>
+#include <netinet/tcp_hpts.h>
 #ifdef TCPPCAP
 #include <netinet/tcp_pcap.h>
 #endif