diff --git a/openbsd-netcat/openbsd-netcat.patch b/openbsd-netcat/openbsd-netcat.patch
index 29d3d2bf..eef14b3d 100644
--- a/openbsd-netcat/openbsd-netcat.patch
+++ b/openbsd-netcat/openbsd-netcat.patch
@@ -602,8 +602,8 @@ diff -uprN netcat-openbsd-1.130.bk/explicit_bzero.c netcat-openbsd-1.130/explici
 +}
 diff -uprN netcat-openbsd-1.130.bk/getentropy_hurd.c netcat-openbsd-1.130/getentropy_hurd.c
 --- netcat-openbsd-1.130.bk/getentropy_hurd.c	1970-01-01 08:00:00.000000000 +0800
-+++ netcat-openbsd-1.130/getentropy_hurd.c	2017-04-14 00:32:41.373554700 +0800
-@@ -0,0 +1,444 @@
++++ netcat-openbsd-1.130/getentropy_hurd.c	2017-04-14 00:37:54.398795800 +0800
+@@ -0,0 +1,487 @@
 +/*	$OpenBSD: getentropy_linux.c,v 1.40 2015/08/25 17:26:43 deraadt Exp $	*/
 +
 +/*
@@ -670,6 +670,49 @@ diff -uprN netcat-openbsd-1.130.bk/getentropy_hurd.c netcat-openbsd-1.130/getent
 +#define HD(x)	 (SHA512_Update(&ctx, (char *)&(x), sizeof (x)))
 +#define HF(x)    (SHA512_Update(&ctx, (char *)&(x), sizeof (void*)))
 +
++#if __WORDSIZE == 64
++#  define ElfW(type) Elf64_##type
++#else
++#  define ElfW(type) Elf32_##type
++#endif
++
++struct dl_phdr_info
++{
++    ElfW(Addr) dlpi_addr;
++    const char *dlpi_name;
++    const ElfW(Phdr) *dlpi_phdr;
++    ElfW(Half) dlpi_phnum;
++};
++
++
++/* dl_support.c defines these and initializes them early on.  */
++extern ElfW(Phdr) *_dl_phdr;
++extern size_t _dl_phnum;
++
++
++int dl_iterate_phdr(int (*callback) (struct dl_phdr_info *info, size_t size, void *data),
++                    void *data);
++int dl_iterate_phdr(int (*callback) (struct dl_phdr_info *info, size_t size, void *data),
++                    void *data)
++{
++    int ret;
++    struct dl_phdr_info info;
++
++    if (_dl_phnum != 0)
++    {
++        /* This entry describes this statically-linked program itself.  */
++        info.dlpi_addr = 0;
++        info.dlpi_name = "";
++        info.dlpi_phdr = _dl_phdr;
++        info.dlpi_phnum = _dl_phnum;
++        ret = (*callback) (&info, sizeof(info), data);
++        if (ret != 0)
++            return ret;
++    }
++
++    return 0;
++}
++
 +int	getentropy(void *buf, size_t len);
 +
 +static int gotdata(char *buf, size_t len);