diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml.cs b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
index 3b5838a..5fb4daa 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml.cs
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
@@ -551,8 +551,8 @@ namespace Elwig.Windows {
                     pEntry = partNew ? await Context.AddAsync(p) : Context.Update(p);
                 }
 
-                await Context.UpdateDeliveryPartAttributes(p, AttributesInput.ItemsSource.Cast<WineAttr>());
-                await Context.UpdateDeliveryPartModifiers(p, ModifiersInput.ItemsSource.Cast<Modifier>());
+                await Context.UpdateDeliveryPartAttributes(p, AttributesInput.SelectedItems.Cast<WineAttr>());
+                await Context.UpdateDeliveryPartModifiers(p, ModifiersInput.SelectedItems.Cast<Modifier>());
 
                 if (originalMgNr != null && originalMgNr.Value != d.MgNr) {
                     // update origin (KgNr), if default is selected