diff --git a/scripts/jobs/cron_tasks.inc.http.10.apache.php b/scripts/jobs/cron_tasks.inc.http.10.apache.php
index 3454f39d..4cd96393 100644
--- a/scripts/jobs/cron_tasks.inc.http.10.apache.php
+++ b/scripts/jobs/cron_tasks.inc.http.10.apache.php
@@ -17,7 +17,7 @@
  *
  */
 
-include('../classes/class.HttpConfigBase.php');
+require_once(dirname(__FILE__).'/../classes/class.HttpConfigBase.php');
 
 class apache extends HttpConfigBase {
 	private $logger = false;
diff --git a/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php b/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php
index 5b5ff41a..b80b9614 100644
--- a/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php
+++ b/scripts/jobs/cron_tasks.inc.http.20.lighttpd.php
@@ -18,7 +18,7 @@
  * @TODO ssl-redirect to non-standard port
  */
 
-include('../classes/class.HttpConfigBase.php');
+require_once(dirname(__FILE__).'/../classes/class.HttpConfigBase.php');
 
 class lighttpd extends HttpConfigBase {
 	private $logger = false;
diff --git a/scripts/jobs/cron_tasks.inc.http.30.nginx.php b/scripts/jobs/cron_tasks.inc.http.30.nginx.php
index 44c59d70..853ec191 100644
--- a/scripts/jobs/cron_tasks.inc.http.30.nginx.php
+++ b/scripts/jobs/cron_tasks.inc.http.30.nginx.php
@@ -15,7 +15,7 @@
  *
  */
 
-include('../classes/class.HttpConfigBase.php');
+require_once(dirname(__FILE__).'/classes/class.HttpConfigBase.php');
 
 class nginx extends HttpConfigBase {
 	private $logger = false;