diff --git a/lib/faye/websocket/protocol8_parser.js b/lib/faye/websocket/protocol8_parser.js
index 92add30..cecc952 100644
--- a/lib/faye/websocket/protocol8_parser.js
+++ b/lib/faye/websocket/protocol8_parser.js
@@ -230,8 +230,9 @@ var instance = {
     buffer.copy(frame, offset + insert);
     
     if (this._masking) {
-      mask = new Buffer([1,2,3,4].map(function() { return Math.floor(Math.random() * 256) }));
-      mask.copy(frame, header);
+      mask = [Math.floor(Math.random() * 256), Math.floor(Math.random() * 256),
+              Math.floor(Math.random() * 256), Math.floor(Math.random() * 256)];
+      new Buffer(mask).copy(frame, header);
       Protocol8Parser.mask(frame, mask, offset);
     }