diff --git a/patches/netcat.c.patch b/patches/netcat.c.patch
index 71a1507..cf10de5 100644
--- a/patches/netcat.c.patch
+++ b/patches/netcat.c.patch
@@ -1,17 +1,6 @@
 --- apps/nc/netcat.c.orig	Wed Jun 29 21:28:27 2016
-+++ apps/nc/netcat.c	Thu Jun 30 05:32:31 2016
-@@ -57,6 +57,10 @@
- #include <tls.h>
- #include "atomicio.h"
- 
-+#ifndef IPV6_TCLASS
-+#define IPV6_TCLASS -1
-+#endif
-+
- #define PORT_MAX	65535
- #define UNIX_DG_TMP_SOCKET_SIZE	19
- 
-@@ -65,7 +69,9 @@
++++ apps/nc/netcat.c	Thu Jun 30 08:16:42 2016
+@@ -65,7 +65,9 @@
  #define POLL_NETIN 2
  #define POLL_STDOUT 3
  #define BUFSIZE 16384
@@ -21,7 +10,7 @@
  
  #define TLS_LEGACY	(1 << 1)
  #define TLS_NOVERIFY	(1 << 2)
-@@ -92,9 +98,13 @@
+@@ -92,9 +94,13 @@
  int	Dflag;					/* sodebug */
  int	Iflag;					/* TCP receive buffer size */
  int	Oflag;					/* TCP send buffer size */
@@ -35,7 +24,7 @@
  
  int	usetls;					/* use TLS */
  char    *Cflag;					/* Public cert file */
-@@ -152,7 +162,7 @@
+@@ -152,7 +158,7 @@
  	struct servent *sv;
  	socklen_t len;
  	struct sockaddr_storage cliaddr;
@@ -44,7 +33,7 @@
  	const char *errstr, *proxyhost = "", *proxyport = NULL;
  	struct addrinfo proxyhints;
  	char unix_dg_tmp_socket_buf[UNIX_DG_TMP_SOCKET_SIZE];
-@@ -262,12 +272,14 @@
+@@ -262,12 +268,14 @@
  		case 'u':
  			uflag = 1;
  			break;
@@ -59,7 +48,7 @@
  		case 'v':
  			vflag = 1;
  			break;
-@@ -300,9 +312,11 @@
+@@ -300,9 +308,11 @@
  				errx(1, "TCP send window %s: %s",
  				    errstr, optarg);
  			break;
@@ -71,7 +60,7 @@
  		case 'T':
  			errstr = NULL;
  			errno = 0;
-@@ -326,9 +340,11 @@
+@@ -326,9 +336,11 @@
  	argc -= optind;
  	argv += optind;
  
@@ -83,7 +72,7 @@
  
  	if (family == AF_UNIX) {
  		if (pledge("stdio rpath wpath cpath tmppath unix", NULL) == -1)
-@@ -480,7 +496,10 @@
+@@ -480,7 +492,10 @@
  				errx(1, "-H and -T noverify may not be used"
  				    "together");
  			tls_config_insecure_noverifycert(tls_cfg);
@@ -95,7 +84,7 @@
  	}
  	if (lflag) {
  		struct tls *tls_cctx = NULL;
-@@ -832,7 +851,10 @@
+@@ -832,7 +847,10 @@
  remote_connect(const char *host, const char *port, struct addrinfo hints)
  {
  	struct addrinfo *res, *res0;
@@ -107,7 +96,7 @@
  
  	if ((error = getaddrinfo(host, port, &hints, &res)))
  		errx(1, "getaddrinfo: %s", gai_strerror(error));
-@@ -847,8 +869,10 @@
+@@ -847,8 +865,10 @@
  		if (sflag || pflag) {
  			struct addrinfo ahints, *ares;
  
@@ -118,7 +107,7 @@
  			memset(&ahints, 0, sizeof(struct addrinfo));
  			ahints.ai_family = res0->ai_family;
  			ahints.ai_socktype = uflag ? SOCK_DGRAM : SOCK_STREAM;
-@@ -919,7 +943,10 @@
+@@ -919,7 +939,10 @@
  local_listen(char *host, char *port, struct addrinfo hints)
  {
  	struct addrinfo *res, *res0;
@@ -130,7 +119,7 @@
  	int error;
  
  	/* Allow nodename to be null. */
-@@ -941,9 +968,11 @@
+@@ -941,9 +964,11 @@
  		    res0->ai_protocol)) < 0)
  			continue;
  
@@ -142,7 +131,7 @@
  
  		set_common_sockopts(s, res0->ai_family);
  
-@@ -1401,29 +1430,26 @@
+@@ -1401,29 +1426,28 @@
  {
  	int x = 1;
  
@@ -174,13 +163,15 @@
 +		    IP_TOS, &Tflag, sizeof(Tflag)) == -1)
  			err(1, "set IP ToS");
 +
-+		else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
++#ifdef IPV6_TCLASS
++		if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
 +		    IPV6_TCLASS, &Tflag, sizeof(Tflag)) == -1)
-+			err(1, "set IPv6 Traffic Class");
++			err(1, "set IPv6 traffic class");
++#endif
  	}
  	if (Iflag) {
  		if (setsockopt(s, SOL_SOCKET, SO_RCVBUF,
-@@ -1435,29 +1461,28 @@
+@@ -1435,29 +1459,30 @@
  		    &Oflag, sizeof(Oflag)) == -1)
  			err(1, "set TCP send buffer size");
  	}
@@ -209,23 +200,25 @@
 +
 +	if (ttl != -1) {
 +		if (af == AF_INET && setsockopt(s, IPPROTO_IP,
-+	    	    IP_TTL, &ttl, sizeof(ttl)))
-+			err(1, "setsockopt IP_TTL");
++		    IP_TTL, &ttl, sizeof(ttl)))
++			err(1, "set IP TTL");
 +
-+		else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
++		if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
 +		    IPV6_UNICAST_HOPS, &ttl, sizeof(ttl)))
-+			err(1, "setsockopt IPV6_UNICAST_HOPS");
++			err(1, "set IPv6 unicast hops");
  	}
 +
 +	if (minttl != -1) {
++#ifdef IP_MINTTL
 +		if (af == AF_INET && setsockopt(s, IPPROTO_IP,
-+		    IP_MINTTL, &minttl, sizeof(minttl)))
-+			err(1, "setsockopt IP_MINTTL");
++		    IP_MINTTL, &minttl, sizeof(minttl)) == -1)
++			err(1, "set IP min TTL");
++#endif
 +
 +#ifdef IPV6_MINHOPCOUNT
-+		else if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
-+		    IPV6_MINHOPCOUNT, &minttl, sizeof(minttl)))
-+			err(1, "setsockopt IPV6_MINHOPCOUNT");
++		if (af == AF_INET6 && setsockopt(s, IPPROTO_IPV6,
++		    IPV6_MINHOPCOUNT, &minttl, sizeof(minttl)) == -1)
++			err(1, "set IPv6 min hop count");
 +#endif
 +	}
  }