diff --git a/jwt.php b/jwt.php
index 0b47c37..cd0cafc 100644
--- a/jwt.php
+++ b/jwt.php
@@ -30,7 +30,7 @@ class jwt
     * length)
     * @return string The Token
     */
-  public function encode ($payload, $key, $alg = "HS255", $ckey = null)
+  public function encode ($payload, $key, $alg = "HS256", $ckey = null)
   // {{{
   {
     if (! key_exists ($alg, $this->supportedAlgs))