diff --git a/AUTHORS b/AUTHORS
index ff84713fb..f1b9f9318 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -68,6 +68,7 @@ ayoubabid <ayoubabid@users.noreply.github.com>
 baufrecht <baufrecht@users.noreply.github.com>
 bradynathan <bradynathan@gmail.com>
 hailthemelody@rm-laptop04 <hailthemelody@rm-laptop04>
+mapa82 <maik.paetzold@akra.de>
 mbaschnitzi <mbaschnitzi@users.noreply.github.com>
 rbelinsky <rbelinsky@dalet.com>
 realitygaps <github@gapsinreality.com>
diff --git a/modules/monitoring/application/forms/Command/Object/AcknowledgeProblemCommandForm.php b/modules/monitoring/application/forms/Command/Object/AcknowledgeProblemCommandForm.php
index b533d281c..6a79e19b8 100644
--- a/modules/monitoring/application/forms/Command/Object/AcknowledgeProblemCommandForm.php
+++ b/modules/monitoring/application/forms/Command/Object/AcknowledgeProblemCommandForm.php
@@ -88,7 +88,7 @@ class AcknowledgeProblemCommandForm extends ObjectsCommandForm
         $expire = isset($formData['expire']) ? $formData['expire'] : $acknowledgeExpire;
         if ($expire) {
             $expireTime = new DateTime();
-            $expireTime->add(new DateInterval('PT1H'));
+            $expireTime->add(new DateInterval($config->get('settings', 'acknowledge_expire_time', 'PT1H')));
             $this->addElement(
                 'dateTimePicker',
                 'expire_time',