diff --git a/libraries/Gelato/Security/Token.php b/libraries/Gelato/Security/Token.php
index 2954f6d..05951e4 100644
--- a/libraries/Gelato/Security/Token.php
+++ b/libraries/Gelato/Security/Token.php
@@ -22,7 +22,7 @@ class Token
      *
      * @var  string
      */
-    public static $token_name = 'security_token';
+    protected static $token_name = 'security_token';
 
     /**
      * Protected constructor since this is a static class.