diff --git a/ares_gethostbyname.c b/ares_gethostbyname.c
index daae5db..b5867fd 100644
--- a/ares_gethostbyname.c
+++ b/ares_gethostbyname.c
@@ -23,8 +23,13 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
+#ifdef HAVE_ARPA_NAMESER_H
 #include <arpa/nameser.h>
 #endif
+#ifdef HAVE_ARPA_NAMESER_COMPAT_H
+#include <arpa/nameser_compat.h>
+#endif
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/ares_parse_aaaa_reply.c b/ares_parse_aaaa_reply.c
index df5f98c..ae68ca6 100644
--- a/ares_parse_aaaa_reply.c
+++ b/ares_parse_aaaa_reply.c
@@ -23,8 +23,13 @@
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
+#ifdef HAVE_ARPA_NAMESER_H
 #include <arpa/nameser.h>
 #endif
+#ifdef HAVE_ARPA_NAMESER_COMPAT_H
+#include <arpa/nameser_compat.h>
+#endif
+#endif
 
 #include <stdlib.h>
 #include <string.h>