diff --git a/core/database.class.php b/core/database.class.php
index 2f16c4aa..a424bc3c 100644
--- a/core/database.class.php
+++ b/core/database.class.php
@@ -1,5 +1,5 @@
 <?php
-$ADODB_CACHE_DIR="./data";
+$ADODB_CACHE_DIR=sys_get_temp_dir();
 require_once "lib/adodb/adodb.inc.php";
 
 /* Querylet {{{