diff --git a/lib/common.lib.php b/lib/common.lib.php
index 77a6bd650..b9a879ae5 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -3936,7 +3936,7 @@ function update_auth_session_token($str=''){
 }
 
 function get_token_encryption_key($str=''){
-    $token = G5_GNUBOARD_VER.(defined('G5_YOUNGCART_VER') ? G5_YOUNGCART_VER : '').G5_TABLE_PREFIX.(defined('G5_SHOP_TABLE_PREFIX') ? G5_SHOP_TABLE_PREFIX : '').(defined('G5_TOKEN_ENCRYPTION_KEY') ? G5_TOKEN_ENCRYPTION_KEY : '').$str;
+    $token = G5_TABLE_PREFIX.(defined('G5_SHOP_TABLE_PREFIX') ? G5_SHOP_TABLE_PREFIX : '').(defined('G5_TOKEN_ENCRYPTION_KEY') ? G5_TOKEN_ENCRYPTION_KEY : '').$str;
 
     return md5($token);
 }