diff --git a/lib/net.js b/lib/net.js
index 5746b1c55cb..d28483dd3cc 100644
--- a/lib/net.js
+++ b/lib/net.js
@@ -684,6 +684,9 @@ Socket.prototype._write = function(data, encoding, cb) {
 
 function createWriteReq(req, handle, data, encoding) {
   switch (encoding) {
+    case 'binary':
+      return handle.writeBinaryString(req, data);
+
     case 'buffer':
       return handle.writeBuffer(req, data);
 
diff --git a/src/pipe_wrap.cc b/src/pipe_wrap.cc
index 03156cc8f52..05472de5d92 100644
--- a/src/pipe_wrap.cc
+++ b/src/pipe_wrap.cc
@@ -104,6 +104,9 @@ void PipeWrap::Initialize(Handle<Object> target,
                             StreamWrap::WriteAsciiString);
   NODE_SET_PROTOTYPE_METHOD(t, "writeUtf8String", StreamWrap::WriteUtf8String);
   NODE_SET_PROTOTYPE_METHOD(t, "writeUcs2String", StreamWrap::WriteUcs2String);
+  NODE_SET_PROTOTYPE_METHOD(t,
+                            "writeBinaryString",
+                            StreamWrap::WriteBinaryString);
 
   NODE_SET_PROTOTYPE_METHOD(t, "bind", Bind);
   NODE_SET_PROTOTYPE_METHOD(t, "listen", Listen);
diff --git a/src/stream_wrap.cc b/src/stream_wrap.cc
index 5d6435101e4..0f4da42ad05 100644
--- a/src/stream_wrap.cc
+++ b/src/stream_wrap.cc
@@ -499,6 +499,10 @@ void StreamWrap::WriteUcs2String(const FunctionCallbackInfo<Value>& args) {
   WriteStringImpl<UCS2>(args);
 }
 
+void StreamWrap::WriteBinaryString(const FunctionCallbackInfo<Value>& args) {
+  WriteStringImpl<BINARY>(args);
+}
+
 void StreamWrap::SetBlocking(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args.GetIsolate());
   HandleScope scope(env->isolate());
diff --git a/src/stream_wrap.h b/src/stream_wrap.h
index 3a7f6f86383..05b828ef8b8 100644
--- a/src/stream_wrap.h
+++ b/src/stream_wrap.h
@@ -125,6 +125,8 @@ class StreamWrap : public HandleWrap {
   static void WriteAsciiString(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void WriteUtf8String(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void WriteUcs2String(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void WriteBinaryString(
+      const v8::FunctionCallbackInfo<v8::Value>& args);
 
   static void SetBlocking(const v8::FunctionCallbackInfo<v8::Value>& args);
 
diff --git a/src/tcp_wrap.cc b/src/tcp_wrap.cc
index 702dd4d805d..09671d0095e 100644
--- a/src/tcp_wrap.cc
+++ b/src/tcp_wrap.cc
@@ -111,6 +111,9 @@ void TCPWrap::Initialize(Handle<Object> target,
                             StreamWrap::WriteAsciiString);
   NODE_SET_PROTOTYPE_METHOD(t, "writeUtf8String", StreamWrap::WriteUtf8String);
   NODE_SET_PROTOTYPE_METHOD(t, "writeUcs2String", StreamWrap::WriteUcs2String);
+  NODE_SET_PROTOTYPE_METHOD(t,
+                            "writeBinaryString",
+                            StreamWrap::WriteBinaryString);
   NODE_SET_PROTOTYPE_METHOD(t, "writev", StreamWrap::Writev);
 
   NODE_SET_PROTOTYPE_METHOD(t, "open", Open);
diff --git a/src/tty_wrap.cc b/src/tty_wrap.cc
index dba545b5f45..34ee14dec70 100644
--- a/src/tty_wrap.cc
+++ b/src/tty_wrap.cc
@@ -78,6 +78,9 @@ void TTYWrap::Initialize(Handle<Object> target,
                             StreamWrap::WriteAsciiString);
   NODE_SET_PROTOTYPE_METHOD(t, "writeUtf8String", StreamWrap::WriteUtf8String);
   NODE_SET_PROTOTYPE_METHOD(t, "writeUcs2String", StreamWrap::WriteUcs2String);
+  NODE_SET_PROTOTYPE_METHOD(t,
+                            "writeBinaryString",
+                            StreamWrap::WriteBinaryString);
 
   NODE_SET_PROTOTYPE_METHOD(t, "getWindowSize", TTYWrap::GetWindowSize);
   NODE_SET_PROTOTYPE_METHOD(t, "setRawMode", SetRawMode);