diff --git a/Cookie.php b/Cookie.php
index 4a223b2..f0e39aa 100644
--- a/Cookie.php
+++ b/Cookie.php
@@ -117,7 +117,7 @@ public static function isSecure()
 	 * @param string $name
 	 * @return string
 	 */
-	public function realname($name)
+	public static function realname($name)
 	{
 		return self::$prefix . $name;
 	}