diff --git a/patches/0014-add-MAX-macro.patch b/patches/0014-add-MAX-macro.patch
new file mode 100644
index 0000000..c6bbc8c
--- /dev/null
+++ b/patches/0014-add-MAX-macro.patch
@@ -0,0 +1,27 @@
+From 802b2ccf5257b840ed252a2bc1a6cb70a37b3f57 Mon Sep 17 00:00:00 2001
+From: Brent Cook <busterb@gmail.com>
+Date: Wed, 31 Dec 2014 22:39:58 -0600
+Subject: [PATCH 14/14] add MAX macro
+
+---
+ src/usr.sbin/ntpd/ntpd.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/usr.sbin/ntpd/ntpd.h b/src/usr.sbin/ntpd/ntpd.h
+index f8d6382..5ac0bbb 100644
+--- a/src/usr.sbin/ntpd/ntpd.h
++++ b/src/usr.sbin/ntpd/ntpd.h
+@@ -72,6 +72,10 @@
+ #define	SENSOR_SCAN_INTERVAL		(5*60)
+ #define	SENSOR_DEFAULT_REFID		"HARD"
+ 
++#ifndef MAX
++#define MAX(a, b) ((a) > (b) ? (a) : (b))
++#endif
++
+ enum client_state {
+ 	STATE_NONE,
+ 	STATE_DNS_INPROGRESS,
+-- 
+1.9.1
+