diff --git a/sys/conf/files b/sys/conf/files
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -4369,15 +4369,23 @@
 	cc_chd inet | cc_cdg inet | cc_newreno inet6 | cc_vegas inet6 | \
 	cc_htcp inet6 | cc_hd inet6 |cc_dctcp inet6 | cc_cubic inet6 | \
 	cc_chd inet6 | cc_cdg inet6
-netinet/cc/cc_cdg.c		optional inet cc_cdg tcp_hhook
-netinet/cc/cc_chd.c		optional inet cc_chd tcp_hhook
+netinet/cc/cc_cdg.c		optional inet cc_cdg tcp_hhook | \
+	inet6 cc_cdg tcp_hhook
+netinet/cc/cc_chd.c		optional inet cc_chd tcp_hhook | \
+	inet6 cc_chd tcp_hhook
 netinet/cc/cc_cubic.c		optional inet cc_cubic | inet6 cc_cubic
 netinet/cc/cc_dctcp.c		optional inet cc_dctcp | inet6 cc_dctcp
-netinet/cc/cc_hd.c		optional inet cc_hd tcp_hhook
+netinet/cc/cc_hd.c		optional inet cc_hd tcp_hhook | \
+	inet6 cc_hd tcp_hhook
 netinet/cc/cc_htcp.c		optional inet cc_htcp | inet6 cc_htcp
 netinet/cc/cc_newreno.c		optional inet cc_newreno | inet6 cc_newreno
-netinet/cc/cc_vegas.c		optional inet cc_vegas tcp_hhook
-netinet/khelp/h_ertt.c		optional inet tcp_hhook
+netinet/cc/cc_vegas.c		optional inet cc_vegas tcp_hhook | \
+	inet6 cc_vegas tcp_hhook
+netinet/khelp/h_ertt.c		optional inet tcp_hhook cc_cdg | \
+	inet tcp_hhook cc_chd | inet tcp_hhook cc_hd | \
+	inet tcp_hhook cc_vegas | inet6 tcp_hhook cc_cdg | \
+	inet6 tcp_hhook cc_chd | inet6 tcp_hhook cc_hd | \
+	inet6 tcp_hhook cc_vegas
 netinet/sctp_asconf.c		optional inet sctp | inet6 sctp
 netinet/sctp_auth.c		optional inet sctp | inet6 sctp
 netinet/sctp_bsd_addr.c		optional inet sctp | inet6 sctp