diff --git a/lib/dns/win32/libdns.def.in b/lib/dns/win32/libdns.def.in
index 694c3e83e2..4bd6b38730 100644
--- a/lib/dns/win32/libdns.def.in
+++ b/lib/dns/win32/libdns.def.in
@@ -1006,6 +1006,7 @@ dns_ssu_external_match
 dns_ssutable_addrule
 dns_ssutable_attach
 dns_ssutable_checkrules
+dns_ssutable_checkrules2
 dns_ssutable_create
 dns_ssutable_createdlz
 dns_ssutable_detach
diff --git a/lib/isc/win32/libisc.def.in b/lib/isc/win32/libisc.def.in
index 6b2a2e8c6f..66a5a98101 100644
--- a/lib/isc/win32/libisc.def.in
+++ b/lib/isc/win32/libisc.def.in
@@ -476,6 +476,7 @@ isc_netaddr_fromv4mapped
 isc_netaddr_getzone
 isc_netaddr_isexperimental
 isc_netaddr_islinklocal
+isc_netaddr_isloopback
 isc_netaddr_ismulticast
 isc_netaddr_isnetzero
 isc_netaddr_issitelocal