diff --git a/lib/util.js b/lib/util.js
index dee042a..a3c0df8 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -129,6 +129,7 @@ exports.serializeNumber = function(n){
     }*/
 
     //New version from TheSeven
+    if (n >= 1 && n <= 16) return new Buffer([0x50 + n]);
     var l = 1;
     var buff = new Buffer(9);
     while (n > 0x7f)