diff --git a/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php b/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php
index 5754508f600..0537766e825 100644
--- a/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php
+++ b/wcfsetup/install/files/lib/action/BackgroundQueuePerformAction.class.php
@@ -29,6 +29,13 @@ public function execute()
         parent::execute();
 
         for ($i = 0; $i < self::$jobsPerRun; $i++) {
+            // Reset the memory usage for each background job, allowing to measure each individual
+            // background job's memory usage without a memory-heavy job skewing the numbers for
+            // the following jobs.
+            if (\PHP_VERSION_ID >= 80200) {
+                \memory_reset_peak_usage();
+            }
+
             if (BackgroundQueueHandler::getInstance()->performNextJob() === false) {
                 // there were no more jobs
                 break;
diff --git a/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php b/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php
index 5e43bbfe783..448d96b184a 100644
--- a/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php
+++ b/wcfsetup/install/files/lib/system/cronjob/CronjobScheduler.class.php
@@ -60,6 +60,13 @@ public function executeCronjobs()
             SessionHandler::getInstance()->changeUser(new User(null), true);
 
             foreach ($cronjobEditors as $cronjobEditor) {
+                // Reset the memory usage for each cronjob, allowing to measure each individual
+                // cronjob's memory usage without a memory-heavy cronjob skewing the numbers for
+                // the following cronjobs.
+                if (\PHP_VERSION_ID >= 80200) {
+                    \memory_reset_peak_usage();
+                }
+
                 // mark cronjob as being executed
                 $cronjobEditor->update([
                     'state' => Cronjob::EXECUTING,