diff --git a/Elwig/Windows/ChartWindow.xaml.cs b/Elwig/Windows/ChartWindow.xaml.cs
index 5548488..c65e44c 100644
--- a/Elwig/Windows/ChartWindow.xaml.cs
+++ b/Elwig/Windows/ChartWindow.xaml.cs
@@ -639,10 +639,11 @@ namespace Elwig.Windows {
 
         private async void SaveButton_Click(object sender, RoutedEventArgs e) {
             SaveButton.IsEnabled = false;
-            Mouse.OverrideCursor = Cursors.AppStarting;
+            Mouse.OverrideCursor = Cursors.Wait;
 
             try {
-                using (var ctx = new AppDbContext()) {
+                await Task.Run(async () => {
+                    using var ctx = new AppDbContext();
                     var origData = BillingData.FromJson(PaymentVar.Data);
                     var data = BillingData.FromGraphEntries(GraphEntries, origData, Utils.GetVaributes(ctx, Year),
                         AllVaributesAssigned, AllVaributesAssignedAbgew);
@@ -650,27 +651,31 @@ namespace Elwig.Windows {
                     PaymentVar.Data = data.ToJsonString();
                     ctx.Update(PaymentVar);
                     await ctx.SaveChangesAsync();
-                }
-                try {
-                    var b = new BillingVariant(PaymentVar.Year, PaymentVar.AvNr);
-                    await b.Calculate();
-                } catch (Exception exc) {
-                    MessageBox.Show(exc.Message, "Berechnungsfehler", MessageBoxButton.OK, MessageBoxImage.Error);
-                }
-                LockContext = false;
-                App.HintContextChange();
+                });
             } catch (Exception exc) {
+                Mouse.OverrideCursor = null;
                 var str = "Der Eintrag konnte nicht in der Datenbank gespeichert werden!\n\n" + exc.Message;
                 if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
                 MessageBox.Show(str, "Auszahlungsvariante speichern", MessageBoxButton.OK, MessageBoxImage.Error);
                 SaveButton.IsEnabled = true;
                 return;
-            } finally {
-                Mouse.OverrideCursor = null;
             }
 
+            try {
+                await Task.Run(async () => {
+                    var b = new BillingVariant(PaymentVar.Year, PaymentVar.AvNr);
+                    await b.Calculate();
+                });
+            } catch (Exception exc) {
+                MessageBox.Show(exc.Message, "Berechnungsfehler", MessageBoxButton.OK, MessageBoxImage.Error);
+            }
+
+            LockContext = false;
+            App.HintContextChange();
             LockContext = true;
             SetHasChanged(false);
+
+            Mouse.OverrideCursor = null;
         }
 
         private void EnableTextBox(TextBox u) {