diff --git a/lib/dns/win32/libdns.def.in b/lib/dns/win32/libdns.def.in
index c829ab1958..40a63b539c 100644
--- a/lib/dns/win32/libdns.def.in
+++ b/lib/dns/win32/libdns.def.in
@@ -594,6 +594,7 @@ dns_name_ishostname
 dns_name_ismailbox
 dns_name_isrfc1918
 dns_name_issubdomain
+dns_name_istat
 dns_name_isula
 dns_name_isvalid
 dns_name_iswildcard