diff --git a/ares/ares_parse_aaaa_reply.c b/ares/ares_parse_aaaa_reply.c
index 575591ae5..df5f98cd6 100644
--- a/ares/ares_parse_aaaa_reply.c
+++ b/ares/ares_parse_aaaa_reply.c
@@ -30,6 +30,7 @@
 #include <string.h>
 #include "ares.h"
 #include "ares_dns.h"
+#include "inet_net_pton.h"
 #include "ares_private.h"
 
 int ares_parse_aaaa_reply(const unsigned char *abuf, int alen,