diff --git a/phpseclib/Crypt/RSA.php b/phpseclib/Crypt/RSA.php
index a7d6d757..82a1d50f 100644
--- a/phpseclib/Crypt/RSA.php
+++ b/phpseclib/Crypt/RSA.php
@@ -402,7 +402,7 @@ class RSA
      * @param int $timeout
      * @param array $p
      */
-    static function createKey($bits = 1024, $timeout = false, $partial = array())
+    static function createKey($bits = 2048, $timeout = false, $partial = array())
     {
         self::_initialize_static_variables();