diff --git a/Makefile.in b/Makefile.in
index c45e1cb99..2f8a295ec 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -405,6 +405,10 @@ util/configparser.lint util/configlexer.lint pythonmod/pythonmod.lint libunbound
 	# skip lint for generated code
 	touch $@
 
+winrc/win_svc.lint winrc/w_inst.lint winrc/unbound-service-install.lint winrc/unbound-service-remove.lint:
+	# skip lint for windows types
+	touch $@
+
 lint:	$(ALL_SRC:.c=.lint)
 
 tags:	$(srcdir)/*.[ch] $(srcdir)/*/*.[ch]
diff --git a/winrc/anchor-update.c b/winrc/anchor-update.c
index 8a3389c34..bdca174af 100644
--- a/winrc/anchor-update.c
+++ b/winrc/anchor-update.c
@@ -85,7 +85,7 @@ result2answer(struct ub_result* result)
 {
 	ldns_pkt* p = NULL;
 	ldns_rr_list* a;
-	if(ldns_wire2pkt(&p, result->answer_packet, result->answer_len) 
+	if(ldns_wire2pkt(&p, result->answer_packet, (size_t)result->answer_len) 
 		!= LDNS_STATUS_OK) 
 		return NULL;
 	a = ldns_pkt_answer(p);