diff --git a/Wino.Mail.ViewModels/AppShellViewModel.cs b/Wino.Mail.ViewModels/AppShellViewModel.cs
index 4b23fe77..8bccc626 100644
--- a/Wino.Mail.ViewModels/AppShellViewModel.cs
+++ b/Wino.Mail.ViewModels/AppShellViewModel.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -241,9 +242,11 @@ public partial class AppShellViewModel : MailBaseViewModel,
         await RecreateMenuItemsAsync();
         await ProcessLaunchOptionsAsync();
 
-#if !DEBUG
-        await ForceAllAccountSynchronizationsAsync();
-#endif
+        if (!Debugger.IsAttached)
+        {
+            await ForceAllAccountSynchronizationsAsync();
+        }
+
         await MakeSureEnableStartupLaunchAsync();
         await ConfigureBackgroundTasksAsync();
     }
diff --git a/Wino.Server/ServerContext.cs b/Wino.Server/ServerContext.cs
index 82bb7092..526429d3 100644
--- a/Wino.Server/ServerContext.cs
+++ b/Wino.Server/ServerContext.cs
@@ -86,7 +86,8 @@ public class ServerContext :
 
     private async void SynchronizationTimerTriggered(object sender, System.Timers.ElapsedEventArgs e)
     {
-#if !DEBUG
+        if (Debugger.IsAttached) return;
+
         // Send sync request for all accounts.
 
         var accounts = await _accountService.GetAccountsAsync();
@@ -103,7 +104,6 @@ public class ServerContext :
 
             await ExecuteServerMessageSafeAsync(null, request);
         }
-#endif
     }
 
     #region Message Handlers