diff --git a/application/clicommands/JobsCommand.php b/application/clicommands/JobsCommand.php
index 7272e5a4..04ce9da0 100644
--- a/application/clicommands/JobsCommand.php
+++ b/application/clicommands/JobsCommand.php
@@ -6,7 +6,9 @@
 
 use DateTime;
 use Exception;
+use Icinga\Application\Config;
 use Icinga\Application\Logger;
+use Icinga\Data\ResourceFactory;
 use Icinga\Module\X509\CertificateUtils;
 use Icinga\Module\X509\Command;
 use Icinga\Module\X509\Common\JobUtils;
@@ -81,7 +83,20 @@ public function runAction(): void
         // Periodically check configuration changes to ensure that new jobs are scheduled, jobs are updated,
         // and deleted jobs are canceled.
         $watchdog = function () use (&$watchdog, &$scheduled, $scheduler, $parallel, $jobName, $scheduleName) {
-            $jobs = $this->fetchSchedules($jobName, $scheduleName);
+            $jobs = [];
+            try {
+                // Since this is a long-running daemon, the resources or module config may change meanwhile.
+                // Therefore, reload the resources and module config from disk each time (at 5m intervals)
+                // before reconnecting to the database.
+                ResourceFactory::setConfig(Config::app('resources', true));
+                Config::module('x509', 'config', true);
+
+                $jobs = $this->fetchSchedules($jobName, $scheduleName);
+            } catch (Throwable $err) {
+                Logger::error('Failed to fetch job schedules from the database: %s', $err);
+                Logger::debug($err->getTraceAsString());
+            }
+
             $outdatedJobs = array_diff_key($scheduled, $jobs);
             foreach ($outdatedJobs as $job) {
                 Logger::info(
diff --git a/library/X509/Common/Database.php b/library/X509/Common/Database.php
index a56920c5..57711fef 100644
--- a/library/X509/Common/Database.php
+++ b/library/X509/Common/Database.php
@@ -19,7 +19,7 @@ trait Database
     protected function getDb(): Sql\Connection
     {
         $config = new Sql\Config(ResourceFactory::getResourceConfig(
-            Config::module('x509')->get('backend', 'resource')
+            Config::module('x509')->get('backend', 'resource', 'x509')
         ));
 
         $options = [PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_OBJ];
diff --git a/library/X509/Common/JobOptions.php b/library/X509/Common/JobOptions.php
index c9bf490a..bae3712f 100644
--- a/library/X509/Common/JobOptions.php
+++ b/library/X509/Common/JobOptions.php
@@ -146,8 +146,8 @@ public function setSchedule(Schedule $schedule): self
 
         /** @var stdClass $config */
         $config = $schedule->getConfig();
-        $this->setRescan($config->rescan);
-        $this->setFullScan($config->full_scan);
+        $this->setFullScan($config->full_scan ?? false);
+        $this->setRescan($config->rescan ?? false);
         $this->setLastScan($config->since_last_scan ?? Job::DEFAULT_SINCE_LAST_SCAN);
 
         return $this;