diff --git a/lib/prng.js b/lib/prng.js
index c2f5f051..d3bd22e0 100644
--- a/lib/prng.js
+++ b/lib/prng.js
@@ -317,7 +317,7 @@ prng.create = function(plugin) {
           // throw in more pseudo random
           next = seed >>> (i << 3);
           next ^= Math.floor(Math.random() * 0x0100);
-          b.putByte(String.fromCharCode(next & 0xFF));
+          b.putByte(next & 0xFF);
         }
       }
     }