diff --git a/core/codecString.js b/core/codecString.js
index 1a8a396f..79e4a49d 100644
--- a/core/codecString.js
+++ b/core/codecString.js
@@ -4,7 +4,7 @@
  * @author Mike Hamburg
  * @author Dan Boneh
  */
- 
+
 /**
  * UTF-8 strings
  * @namespace
@@ -17,12 +17,12 @@ sjcl.codec.utf8String = {
       if ((i&3) === 0) {
         tmp = arr[i/4];
       }
-      out += String.fromCharCode(tmp >>> 24);
+      out += String.fromCharCode(tmp >>> 8 >>> 8 >>> 8);
       tmp <<= 8;
     }
     return decodeURIComponent(escape(out));
   },
-  
+
   /** Convert from a UTF-8 string to a bitArray. */
   toBits: function (str) {
     str = unescape(encodeURIComponent(str));