diff --git a/patches/openssl.c.patch b/patches/openssl.c.patch
new file mode 100644
index 0000000..c086ba5
--- /dev/null
+++ b/patches/openssl.c.patch
@@ -0,0 +1,29 @@
+--- apps/openssl.c.orig	2015-06-05 03:42:12.956112944 -0500
++++ apps/openssl.c	2015-06-05 03:41:54.215381908 -0500
+@@ -130,6 +130,18 @@
+ #include <openssl/engine.h>
+ #endif
+ 
++#ifdef _WIN32
++#include <fcntl.h>
++static void set_stdio_binary(void)
++{
++	_setmode(_fileno(stdin), _O_BINARY);
++	_setmode(_fileno(stdout), _O_BINARY);
++	_setmode(_fileno(stderr), _O_BINARY);
++}
++#else
++static void set_stdio_binary(void) {};
++#endif
++
+ #include "progs.h"
+ #include "s_apps.h"
+ 
+@@ -216,6 +228,7 @@
+ #endif
+ 
+ 	setup_ui_method();
++	set_stdio_binary();
+ }
+ 
+ static void
diff --git a/update.sh b/update.sh
index 722c637..232f029 100755
--- a/update.sh
+++ b/update.sh
@@ -210,6 +210,7 @@ for i in `awk '/SOURCES|HEADERS/ { print $3 }' apps/Makefile.am` ; do
 		$CP $openssl_app_src/$i apps
 	fi
 done
+patch -p0 < patches/openssl.c.patch
 
 # copy libssl source
 echo "copying libssl source"