diff --git a/package.json b/package.json
index f75225a..da3ac96 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "duplexify": "^3.2.0",
     "inherits": "^2.0.1",
     "through2": "^2.0.0",
-    "ws": "^2.0.0",
+    "ws": "^2.2.3",
     "xtend": "^4.0.0"
   },
   "devDependencies": {
diff --git a/stream.js b/stream.js
index bc204f1..e530ebd 100644
--- a/stream.js
+++ b/stream.js
@@ -17,7 +17,7 @@ function WebSocketStream(target, protocols, options) {
   if (protocols && !Array.isArray(protocols) && 'object' === typeof protocols) {
     // accept the "options" Object as the 2nd argument
     options = protocols
-    protocols = []
+    protocols = null
 
     if (typeof options.protocol === 'string' || Array.isArray(options.protocol)) {
       protocols = options.protocol;