diff --git a/config/cis.config-default.inc.php b/config/cis.config-default.inc.php
index 9fe5c9a99..5d71fe48f 100644
--- a/config/cis.config-default.inc.php
+++ b/config/cis.config-default.inc.php
@@ -5,6 +5,7 @@ error_reporting(E_ALL);
 mb_internal_encoding("UTF-8");
 mb_regex_encoding("UTF-8");
 setlocale (LC_ALL, 'de_DE.UTF8','de_DE@euro', 'de_DE', 'de','DE', 'ge','German');
+date_default_timezone_set('Europe/Vienna');
 
 // Connection Strings zur Datenbank
 define("DB_SYSTEM","pgsql");