diff --git a/node/reader.js b/node/reader.js
index 05ca7d2..ec8432c 100644
--- a/node/reader.js
+++ b/node/reader.js
@@ -5,7 +5,7 @@ var Queue = require("q/queue");
 var BufferStream = require("../buffer-stream");
 
 var version = process.versions.node.split('.');
-var supportsReadable = version[0] >= 0 && version[1] >= 10;
+var supportsReadable = version[0] == 0 && version[1] >= 10 || version[0] > 0;
 
 module.exports = Reader;
 function Reader(_stream, charset, length) {
diff --git a/node/writer.js b/node/writer.js
index caa4c33..9716b73 100644
--- a/node/writer.js
+++ b/node/writer.js
@@ -13,7 +13,7 @@ var Q = require("q");
 module.exports = Writer;
 
 var version = process.versions.node.split('.');
-var supportsFinish = version[0] >= 0 && version[1] >= 10;
+var supportsFinish = version[0] == 0 && version[1] >= 10 || version[0] > 0;
 
 function Writer(_stream, charset) {
     var self = Object.create(Writer.prototype);