diff --git a/srcpkgs/python-cryptography/patches/patch-src__cffi_src_build_openssl_py b/srcpkgs/python-cryptography/patches/patch-src__cffi_src_build_openssl_py
new file mode 100644
index 00000000000..98d8694e9d6
--- /dev/null
+++ b/srcpkgs/python-cryptography/patches/patch-src__cffi_src_build_openssl_py
@@ -0,0 +1,26 @@
+$OpenBSD: patch-src__cffi_src_build_openssl_py,v 1.1 2016/03/27 11:11:24 sthen Exp $
+--- src/_cffi_src/build_openssl.py.orig	Mon Mar 21 15:15:57 2016
++++ src/_cffi_src/build_openssl.py	Sat Mar 26 14:24:56 2016
+@@ -37,14 +37,6 @@ def _osx_libraries(build_static):
+         return ["ssl", "crypto"]
+ 
+ 
+-_PRE_INCLUDE = """
+-#include <openssl/e_os2.h>
+-#if defined(OPENSSL_SYS_WINDOWS)
+-#include <windows.h>
+-#endif
+-"""
+-
+-
+ ffi = build_ffi_for_binding(
+     module_name="_openssl",
+     module_prefix="_cffi_src.openssl.",
+@@ -81,7 +73,6 @@ ffi = build_ffi_for_binding(
+         "pkcs7",
+         "callbacks",
+     ],
+-    pre_include=_PRE_INCLUDE,
+     libraries=_get_openssl_libraries(sys.platform),
+     extra_link_args=extra_link_args(compiler_type()),
+ )