diff --git a/src/ui/Features/Translate/AutoTranslateViewModel.cs b/src/ui/Features/Translate/AutoTranslateViewModel.cs
index 1dcf51e478..2c0c518302 100644
--- a/src/ui/Features/Translate/AutoTranslateViewModel.cs
+++ b/src/ui/Features/Translate/AutoTranslateViewModel.cs
@@ -627,8 +627,8 @@ private void Ok()
     private void Cancel()
     {
         var wasTranslating = !IsTranslateEnabled;
-        _cancellationTokenSource.Cancel();
         _abort = true;
+        _cancellationTokenSource.Cancel();
         IsProgressEnabled = false;
 
         if (IsTranslateEnabled)
@@ -1249,6 +1249,12 @@ private async Task DoTranslate(TranslationPair sourceLanguage, TranslationPair t
             }
 
         }
+        catch (OperationCanceledException) when (_abort || _cancellationTokenSource.IsCancellationRequested)
+        {
+            // User pressed Cancel — let the finally block report it; do not surface as an error.
+            // Check both _abort and the token: Cancel() sets _abort then fires the token, but the
+            // worker thread can observe cancellation before _abort is visible across threads.
+        }
         catch (Exception ex)
         {
             _ = Dispatcher.UIThread.Invoke(async () =>