diff --git a/lib/libc/net/getaddrinfo.c b/lib/libc/net/getaddrinfo.c
index 0f724f9c64be..d933b7e946f4 100644
--- a/lib/libc/net/getaddrinfo.c
+++ b/lib/libc/net/getaddrinfo.c
@@ -201,11 +201,7 @@ static const ns_src default_dns_files[] = {
 	{ 0 }
 };
 
-#if PACKETSZ > 1024
-#define MAXPACKET	PACKETSZ
-#else
-#define MAXPACKET	1024
-#endif
+#define MAXPACKET	65536
 
 typedef union {
 	HEADER hdr;
diff --git a/lib/libc/net/gethostbydns.c b/lib/libc/net/gethostbydns.c
index 1044727c8bbd..479cc4a83069 100644
--- a/lib/libc/net/gethostbydns.c
+++ b/lib/libc/net/gethostbydns.c
@@ -103,11 +103,7 @@ static void addrsort(char **, int);
 static void dprintf(char *, int) __printflike(1, 0);
 #endif
 
-#if PACKETSZ > 1024
-#define	MAXPACKET	PACKETSZ
-#else
-#define	MAXPACKET	1024
-#endif
+#define	MAXPACKET	65536
 
 typedef union {
     HEADER hdr;
diff --git a/lib/libc/net/getnetbydns.c b/lib/libc/net/getnetbydns.c
index 369bf2b3ad48..c463176a9b31 100644
--- a/lib/libc/net/getnetbydns.c
+++ b/lib/libc/net/getnetbydns.c
@@ -88,11 +88,7 @@ extern int h_errno;
 #define BYNAME 1
 #define	MAXALIASES	35
 
-#if PACKETSZ > 1024
-#define	MAXPACKET	PACKETSZ
-#else
-#define	MAXPACKET	1024
-#endif
+#define	MAXPACKET	65536
 
 typedef union {
 	HEADER	hdr;
diff --git a/lib/libc/net/name6.c b/lib/libc/net/name6.c
index d80f9c2d3290..89b374c61810 100644
--- a/lib/libc/net/name6.c
+++ b/lib/libc/net/name6.c
@@ -967,11 +967,7 @@ struct __res_type_list {
         int     rtl_type;
 };
 
-#if PACKETSZ > 1024
-#define	MAXPACKET	PACKETSZ
-#else
-#define	MAXPACKET	1024
-#endif
+#define	MAXPACKET	65536
 
 typedef union {
 	HEADER hdr;
diff --git a/lib/libc/net/res_query.c b/lib/libc/net/res_query.c
index 4dde3e4d275e..e67258620a51 100644
--- a/lib/libc/net/res_query.c
+++ b/lib/libc/net/res_query.c
@@ -90,11 +90,7 @@ __FBSDID("$FreeBSD$");
 
 #include "res_config.h"
 
-#if PACKETSZ > 1024
-#define MAXPACKET	PACKETSZ
-#else
-#define MAXPACKET	1024
-#endif
+#define MAXPACKET	65536
 
 /*
  * Formulate a normal query, send, and await answer.
diff --git a/lib/libc/net/res_update.c b/lib/libc/net/res_update.c
index f17374f08502..0dac1ba4aa2e 100644
--- a/lib/libc/net/res_update.c
+++ b/lib/libc/net/res_update.c
@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
  */
 
 #define NSMAX 16
+#define	MAXPACKET 65536
 
 struct ns1 {
 	char nsname[MAXDNAME];
@@ -71,7 +72,7 @@ struct zonegrp {
 int
 res_update(ns_updrec *rrecp_in) {
 	ns_updrec *rrecp, *tmprrecp;
-	u_char buf[PACKETSZ], answer[PACKETSZ], packet[2*PACKETSZ];
+	u_char buf[PACKETSZ], answer[MAXPACKET], packet[2*PACKETSZ];
 	char name[MAXDNAME], zname[MAXDNAME], primary[MAXDNAME],
 	     mailaddr[MAXDNAME];
 	u_char soardata[2*MAXCDNAME+5*INT32SZ];