diff --git a/Jobs/autorelease.php b/Jobs/autorelease.php
index c5e4ac682..0f7e5a69f 100644
--- a/Jobs/autorelease.php
+++ b/Jobs/autorelease.php
@@ -5,7 +5,7 @@
 *  * * * * * /usr/bin/env php -f ${WWW_DIR}/librebooking/Jobs/autorelease.php
 */
 
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Jobs/JobCop.php');
 
diff --git a/Jobs/deleteolddata.php b/Jobs/deleteolddata.php
index d7a7379c8..dada4013e 100755
--- a/Jobs/deleteolddata.php
+++ b/Jobs/deleteolddata.php
@@ -9,7 +9,7 @@
 *  /usr/bin/env php -f                                  -> the path to php (run "which php" to know what it is)
 *  ${WWW_DIR}/librebooking/Jobs/sendmissedcheckin.php   -> the path to this script
 */
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Jobs/JobCop.php');
 
diff --git a/Jobs/sendmissedcheckin.php b/Jobs/sendmissedcheckin.php
index dca7e8ff2..f31df44e7 100644
--- a/Jobs/sendmissedcheckin.php
+++ b/Jobs/sendmissedcheckin.php
@@ -5,7 +5,7 @@
 *  * * * * * /usr/bin/env php -f ${WWW_DIR}/librebooking/Jobs/sendmissedcheckin.php
 */
 
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Jobs/JobCop.php');
 require_once(ROOT_DIR . 'lib/Email/Messages/MissedCheckinEmail.php');
diff --git a/Jobs/sendreminders.php b/Jobs/sendreminders.php
index bf92ff4d1..6e443934b 100644
--- a/Jobs/sendreminders.php
+++ b/Jobs/sendreminders.php
@@ -5,7 +5,7 @@
 *  * * * * * /usr/bin/env php -f ${WWW_DIR}/librebooking/Jobs/sendreminders.php
 */
 
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Domain/Reminder.php');
 require_once(ROOT_DIR . 'lib/Email/Messages/ReminderEmail.php');
diff --git a/Jobs/sendseriesend.php b/Jobs/sendseriesend.php
index 87fde591c..904719a6c 100644
--- a/Jobs/sendseriesend.php
+++ b/Jobs/sendseriesend.php
@@ -5,7 +5,7 @@
 *  0 0 * * * /usr/bin/env php -f ${WWW_DIR}/librebooking/Jobs/sendseriesend.php
 */
 
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Jobs/JobCop.php');
 require_once(ROOT_DIR . 'lib/Email/Messages/ReservationSeriesEndingEmail.php');
diff --git a/Jobs/sendwaitlist.php b/Jobs/sendwaitlist.php
index 87f90c63c..f25cb092a 100644
--- a/Jobs/sendwaitlist.php
+++ b/Jobs/sendwaitlist.php
@@ -5,7 +5,7 @@
 *  * * * * * /usr/bin/env php -f ${WWW_DIR}/librebooking/Jobs/sendwaitlist.php
 */
 
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Jobs/JobCop.php');
 require_once(ROOT_DIR . 'lib/Email/Messages/ReservationAvailableEmail.php');
diff --git a/Jobs/sessioncleanup.php b/Jobs/sessioncleanup.php
index 33fac8462..df4e61813 100644
--- a/Jobs/sessioncleanup.php
+++ b/Jobs/sessioncleanup.php
@@ -5,7 +5,7 @@
 *  0 0 * * * /usr/bin/env php -f ${WWW_DIR}/librebooking/Jobs/sessioncleanup.php
 */
 
-define('ROOT_DIR', dirname(__FILE__) . '/../');
+define('ROOT_DIR', __DIR__ . '/../');
 require_once(ROOT_DIR . 'Domain/Access/namespace.php');
 require_once(ROOT_DIR . 'Jobs/JobCop.php');