diff --git a/libmilter/sm_gethost.c b/libmilter/sm_gethost.c
index a025c8f..cd0ef31 100644
--- a/libmilter/sm_gethost.c
+++ b/libmilter/sm_gethost.c
@@ -49,8 +49,16 @@ sm_getipnodebyname(name, family, flags, err)
 	int flags;
 	int *err;
 {
-	bool resv6 = true;
 	struct hostent *h;
+# if HAS_GETHOSTBYNAME2
+
+	h = gethostbyname2(name, family);
+	if (h == NULL)
+		*err = h_errno;
+	return h;
+
+# else /* HAS_GETHOSTBYNAME2 */
+	bool resv6 = true;
 
 	if (family == AF_INET6)
 	{
@@ -60,7 +68,7 @@ sm_getipnodebyname(name, family, flags, err)
 	}
 	SM_SET_H_ERRNO(0);
 	h = gethostbyname(name);
-	if (family == AF_INET6 && !resv6)
+	if (!resv6)
 		_res.options &= ~RES_USE_INET6;
 
 	/* the function is supposed to return only the requested family */
@@ -75,6 +83,7 @@ sm_getipnodebyname(name, family, flags, err)
 	else
 		*err = h_errno;
 	return h;
+# endif /* HAS_GETHOSTBYNAME2 */
 }
 
 void