diff --git a/phpseclib/Crypt/Random.php b/phpseclib/Crypt/Random.php
index 1f34b2a5..06a6d028 100644
--- a/phpseclib/Crypt/Random.php
+++ b/phpseclib/Crypt/Random.php
@@ -100,7 +100,7 @@ abstract class Random
                  // as of PHP 8.1 $GLOBALS cann't be accessed by reference, which eliminates
                  // the need for phpseclib_safe_serialize. see https://wiki.php.net/rfc/restrict_globals_usage
                  // for more info
-                 (version_compare(PHP_VERSION, '8.1.0', '>=') ? self::safe_serialize($GLOBALS) : self::safe_serialize($GLOBALS)).
+                 (version_compare(PHP_VERSION, '8.1.0', '>=') ? self::safe_serialize($GLOBALS) : self::safe_serialize($GLOBALS)) .
                  self::safe_serialize($_SESSION) .
                  self::safe_serialize($_OLD_SESSION);
             $v = $seed = $_SESSION['seed'] = sha1($v, true);