diff --git a/Elwig/Windows/PaymentVariantsWindow.xaml.cs b/Elwig/Windows/PaymentVariantsWindow.xaml.cs
index f7d6ed5..50d7dd4 100644
--- a/Elwig/Windows/PaymentVariantsWindow.xaml.cs
+++ b/Elwig/Windows/PaymentVariantsWindow.xaml.cs
@@ -137,6 +137,7 @@ namespace Elwig.Windows {
                 (ConsiderPenaltyInput.IsChecked != BillingData?.ConsiderTotalPenalty) ||
                 (ConsiderAutoInput.IsChecked != BillingData?.ConsiderAutoBusinessShares));
             CalculateButton.IsEnabled = !SaveButton.IsEnabled && PaymentVariantList.SelectedItem is PaymentVar { TestVariant: true };
+            CommitButton.IsEnabled = CalculateButton.IsEnabled;
         }
 
         private void UpdateSums() {
@@ -285,9 +286,9 @@ namespace Elwig.Windows {
             Mouse.OverrideCursor = Cursors.AppStarting;
             var b = new BillingVariant(v.Year, v.AvNr);
             await b.Revert();
+            await App.HintContextChange();
             Mouse.OverrideCursor = null;
             CommitButton.IsEnabled = true;
-            await App.HintContextChange();
         }
 
         private async void ExportButton_Click(object sender, RoutedEventArgs evt) {