diff --git a/Endpoint/Configuration/Core/BackgroundTasks/ScheduleSyncService.cs b/Endpoint/Configuration/Core/BackgroundTasks/ScheduleSyncService.cs
index 9c57870..a2896f8 100644
--- a/Endpoint/Configuration/Core/BackgroundTasks/ScheduleSyncService.cs
+++ b/Endpoint/Configuration/Core/BackgroundTasks/ScheduleSyncService.cs
@@ -82,7 +82,7 @@ public class ScheduleSyncService : IHostedService, IDisposable
             delay = 1;
 
         _cancellationTokenSource = new CancellationTokenSource();
-        _timer = new Timer(ExecuteTask, null, (long)delay, Timeout.Infinite);
+        _timer = new Timer(ExecuteTask, null, Math.Abs((long)delay), Timeout.Infinite);
     }
 
     private async void ExecuteTask(object? state)