diff --git a/app/Services/Schedules/ProcessScheduleService.php b/app/Services/Schedules/ProcessScheduleService.php
index 8c157e39e..c83ad5104 100644
--- a/app/Services/Schedules/ProcessScheduleService.php
+++ b/app/Services/Schedules/ProcessScheduleService.php
@@ -6,6 +6,7 @@ use DateTimeInterface;
 use Cron\CronExpression;
 use Cake\Chronos\Chronos;
 use Pterodactyl\Models\Schedule;
+use Cake\Chronos\ChronosInterface;
 use Pterodactyl\Services\Schedules\Tasks\RunTaskService;
 use Pterodactyl\Contracts\Repository\ScheduleRepositoryInterface;
 
@@ -84,14 +85,14 @@ class ProcessScheduleService
      * Get the timestamp to store in the database as the next_run time for a schedule.
      *
      * @param string $formatted
-     * @return string
+     * @return \Cake\Chronos\ChronosInterface
      */
-    private function getRunAtTime(string $formatted)
+    private function getRunAtTime(string $formatted): ChronosInterface
     {
         if (! is_null($this->runTimeOverride)) {
-            return $this->runTimeOverride->format(Chronos::ATOM);
+            return $this->runTimeOverride instanceof ChronosInterface ? $this->runTimeOverride : Chronos::instance($this->runTimeOverride);
         }
 
-        return CronExpression::factory($formatted)->getNextRunDate()->format(Chronos::ATOM);
+        return Chronos::instance(CronExpression::factory($formatted)->getNextRunDate());
     }
 }
diff --git a/tests/Unit/Services/Schedules/ProcessScheduleServiceTest.php b/tests/Unit/Services/Schedules/ProcessScheduleServiceTest.php
index 92f7c3960..5f35187da 100644
--- a/tests/Unit/Services/Schedules/ProcessScheduleServiceTest.php
+++ b/tests/Unit/Services/Schedules/ProcessScheduleServiceTest.php
@@ -64,7 +64,7 @@ class ProcessScheduleServiceTest extends TestCase
         $formatted = sprintf('%s %s %s * %s', $model->cron_minute, $model->cron_hour, $model->cron_day_of_month, $model->cron_day_of_week);
         $this->repository->shouldReceive('update')->with($model->id, [
             'is_processing' => true,
-            'next_run_at' => CronExpression::factory($formatted)->getNextRunDate()->format(Chronos::ATOM),
+            'next_run_at' => Chronos::parse(CronExpression::factory($formatted)->getNextRunDate()->format(Chronos::ATOM)),
         ]);
 
         $this->runnerService->shouldReceive('handle')->with($task)->once()->andReturnNull();
@@ -84,7 +84,7 @@ class ProcessScheduleServiceTest extends TestCase
 
         $this->repository->shouldReceive('update')->with($model->id, [
             'is_processing' => true,
-            'next_run_at' => Chronos::now()->addSeconds(15)->toAtomString(),
+            'next_run_at' => Chronos::now()->addSeconds(15),
         ]);
 
         $this->runnerService->shouldReceive('handle')->with($task)->once()->andReturnNull();