diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml.cs b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
index cb1031b..485958f 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml.cs
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
@@ -318,7 +318,7 @@ namespace Elwig.Windows {
             var filter = TextFilter.ToList();
             if (filter.Count > 0) {
                 var var = await Context.WineVarieties.ToDictionaryAsync(v => v.SortId, v => v);
-                var qual = await Context.WineQualityLevels.ToDictionaryAsync(q => q.QualId, q => q);
+                var qual = await Context.WineQualityLevels.Where(q => !q.IsPredicate).ToDictionaryAsync(q => q.QualId, q => q);
                 var mgnr = await Context.Members.ToDictionaryAsync(m => m.MgNr.ToString(), m => m);
                 var zwst = await Context.Branches.ToDictionaryAsync(b => b.Name.ToLower().Split(" ")[0], b => b);
                 var attr = await Context.WineAttributes.ToDictionaryAsync(a => a.Name.ToLower().Split(" ")[0], a => a);