diff --git a/src/JWT.php b/src/JWT.php
index 6d30e941..81b5f7b1 100644
--- a/src/JWT.php
+++ b/src/JWT.php
@@ -86,7 +86,7 @@ public static function decode($jwt, $key, $allowed_algs = array())
             throw new UnexpectedValueException('Invalid claims encoding');
         }
         $sig = static::urlsafeB64Decode($cryptob64);
-        
+
         if (empty($header->alg)) {
             throw new UnexpectedValueException('Empty algorithm');
         }
@@ -343,8 +343,10 @@ private static function handleJsonError($errno)
     {
         $messages = array(
             JSON_ERROR_DEPTH => 'Maximum stack depth exceeded',
+            JSON_ERROR_STATE_MISMATCH => 'Invalid or malformed JSON',
             JSON_ERROR_CTRL_CHAR => 'Unexpected control character found',
-            JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON'
+            JSON_ERROR_SYNTAX => 'Syntax error, malformed JSON',
+            JSON_ERROR_UTF8 => 'Malformed UTF-8 characters' //PHP >= 5.3.3
         );
         throw new DomainException(
             isset($messages[$errno])