diff --git a/lib/dns/win32/libdns.def.in b/lib/dns/win32/libdns.def.in
index 8086be44cf..bd60f743fa 100644
--- a/lib/dns/win32/libdns.def.in
+++ b/lib/dns/win32/libdns.def.in
@@ -1011,6 +1011,7 @@ 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 7d57a8c180..c999902946 100644
--- a/lib/isc/win32/libisc.def.in
+++ b/lib/isc/win32/libisc.def.in
@@ -478,6 +478,7 @@ isc_netaddr_fromv4mapped
 isc_netaddr_getzone
 isc_netaddr_isexperimental
 isc_netaddr_islinklocal
+isc_netaddr_isloopback
 isc_netaddr_ismulticast
 isc_netaddr_isnetzero
 isc_netaddr_issitelocal