diff --git a/ChromePhp.php b/ChromePhp.php
index 577b1ce..1f94984 100755
--- a/ChromePhp.php
+++ b/ChromePhp.php
@@ -402,7 +402,7 @@ protected function _writeHeader($data)
      */
     protected function _encode($data)
     {
-        return base64_encode(utf8_encode(json_encode($data)));
+        return base64_encode(mb_convert_encoding(json_encode($data), "UTF-8"));
     }
 
     /**