diff --git a/libs/Smarty.class.php b/libs/Smarty.class.php
index 5a23d848..16e5b5f5 100644
--- a/libs/Smarty.class.php
+++ b/libs/Smarty.class.php
@@ -138,7 +138,7 @@ class Smarty extends Smarty_Internal_Data {
     // merge compiled includea
     public $merge_compiled_includes = false; 
     // cache lifetime
-    public $cache_lifetime = 0; 
+    public $cache_lifetime = 3600; 
     // force cache file creation
     public $force_cache = false; 
     // cache_id