diff --git a/Elwig/Models/Dtos/DeliveryConfirmationData.cs b/Elwig/Models/Dtos/DeliveryConfirmationData.cs
index 5be0325..b645eba 100644
--- a/Elwig/Models/Dtos/DeliveryConfirmationData.cs
+++ b/Elwig/Models/Dtos/DeliveryConfirmationData.cs
@@ -28,7 +28,7 @@ namespace Elwig.Models.Dtos {
         }
 
         public static async Task<IDictionary<int, DeliveryConfirmationData>> ForSeason(DbSet<DeliveryPart> table, int year) {
-            return (await FromDbSet(table, year).ToListAsync())
+            return (await FromDbSet(table, year))
                 .GroupBy(
                     p => p.Delivery.MgNr,
                     p => new DeliveryConfirmationRow(p),
@@ -37,25 +37,31 @@ namespace Elwig.Models.Dtos {
         }
 
         public static async Task<DeliveryConfirmationData> ForMember(DbSet<DeliveryPart> table, int year, int mgnr) {
-            return new DeliveryConfirmationData((await FromDbSet(table, year, mgnr).ToListAsync()).Select(p => new DeliveryConfirmationRow(p)), mgnr);
+            return new DeliveryConfirmationData((await FromDbSet(table, year, mgnr)).Select(p => new DeliveryConfirmationRow(p)), mgnr);
         }
 
-        private static IQueryable<DeliveryPart> FromDbSet(DbSet<DeliveryPart> table, int? year = null, int? mgnr = null) {
+        private static async Task<IEnumerable<DeliveryPart>> FromDbSet(DbSet<DeliveryPart> table, int? year = null, int? mgnr = null) {
             var y = year?.ToString() ?? "NULL";
             var m = mgnr?.ToString() ?? "NULL";
-            return table.FromSqlRaw($"""
+            IQueryable<DeliveryPart> q = table;
+            if (year != null) q = q.Where(p => p.Year == year);
+            if (mgnr != null) q = q.Where(p => p.Delivery.MgNr == mgnr);
+            await q
+                 .Include(p => p.Delivery)
+                 .Include(p => p.Variant)
+                 .Include(p => p.Attribute)
+                 .Include(p => p.Quality)
+                 .Include(p => p.Buckets)
+                 .Include(p => p.PartModifiers)
+                 .ThenInclude(m => m.Modifier)
+                 .LoadAsync();
+            return await table.FromSqlRaw($"""
                     SELECT p.*
                     FROM v_delivery v
                         JOIN delivery_part p ON (p.year, p.did, p.dpnr) = (v.year, v.did, v.dpnr)
                     WHERE (p.year = {y} OR {y} IS NULL) AND (v.mgnr = {m} OR {m} IS NULL)
                     ORDER BY p.year, v.mgnr, v.sortid, v.abgewertet ASC, v.attribute_prio DESC, COALESCE(v.attrid, '~'), v.kmw DESC, v.lsnr, v.dpnr
-                    """)
-                .Include(p => p.Delivery)
-                .Include(p => p.Variant)
-                .Include(p => p.Attribute)
-                .Include(p => p.Quality)
-                .Include(p => p.Buckets)
-                .Include(p => p.PartModifiers).ThenInclude(m => m.Modifier);
+                    """).ToListAsync();
         }
     }