diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml b/Elwig/Windows/DeliveryAdminWindow.xaml
index ed4d850..8b30e31 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml
@@ -100,7 +100,7 @@
                         <LineBreak/>
                         Filtern nach:<LineBreak/>
                         <Bold>Sorte</Bold>: z.B. GV, ZW, rr, sa, !gv (ausgenommen GV), ...<LineBreak/>
-                        <Bold>Qualitätsstufe</Bold>: z.B. QUW, kab, ldw, ...<LineBreak/>
+                        <Bold>Qualitätsstufe</Bold>: z.B. QUW, kab, !ldw (ausgenommen LDW), ...<LineBreak/>
                         <Bold>Gradation</Bold>: z.B. &gt;73, &lt;15, 17-18, 15-, &gt;17,5, 62-75, ...<LineBreak/>
                         <Bold>Mitglied</Bold>: z.B. 1234, 987, ...<LineBreak/>
                         <Bold>Saison</Bold>: z.B. 2020, &gt;2015, 2017-2019, &lt;2005, 2019-, ...<LineBreak/>
diff --git a/Elwig/Windows/DeliveryAdminWindow.xaml.cs b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
index bfd0cd3..5c7c78f 100644
--- a/Elwig/Windows/DeliveryAdminWindow.xaml.cs
+++ b/Elwig/Windows/DeliveryAdminWindow.xaml.cs
@@ -326,6 +326,7 @@ namespace Elwig.Windows {
             var filterVar = new List<string>();
             var filterNotVar = new List<string>();
             var filterQual = new List<string>();
+            var filterNotQual = new List<string>();
             var filterMgNr = new List<int>();
             var filterZwst = new List<string>();
             var filterAttr = new List<string>();
@@ -358,6 +359,10 @@ namespace Elwig.Windows {
                         filterQual.Add(e.ToUpper());
                         filter.RemoveAt(i--);
                         filterNames.Add(qual[e.ToUpper()].Name);
+                    } else if (e[0] == '!' && qual.ContainsKey(e[1..].ToUpper())) {
+                        filterNotQual.Add(e[1..].ToUpper());
+                        filter.RemoveAt(i--);
+                        filterNames.Add("außer " + qual[e[1..].ToUpper()].Name);
                     } else if (e.All(char.IsAsciiDigit) && mgnr.TryGetValue(e, out var member)) {
                         filterMgNr.Add(int.Parse(e));
                         filter.RemoveAt(i--);
@@ -492,9 +497,10 @@ namespace Elwig.Windows {
                 if (filterVar.Count > 0) dpq = dpq.Where(p => filterVar.Contains(p.SortId));
                 if (filterNotVar.Count > 0) dpq = dpq.Where(p => !filterNotVar.Contains(p.SortId));
                 if (filterQual.Count > 0) dpq = dpq.Where(p => filterQual.Contains(p.QualId));
+                if (filterNotQual.Count > 0) dpq = dpq.Where(p => !filterNotQual.Contains(p.QualId));
                 if (filterZwst.Count > 0) dpq = dpq.Where(p => filterZwst.Contains(p.Delivery.ZwstId));
                 if (filterAttr.Count > 0) dpq = dpq.Where(p => p.AttrId != null && filterAttr.Contains(p.AttrId));
-                if (filterNotAttr.Count > 0) dpq = dpq.Where(p => p.AttrId == null || !filterAttr.Contains(p.AttrId));
+                if (filterNotAttr.Count > 0) dpq = dpq.Where(p => p.AttrId == null || !filterNotAttr.Contains(p.AttrId));
                 if (filterKmwGt > 0) dpq = dpq.Where(p => p.Kmw >= filterKmwGt);
                 if (filterKmwLt > 0) dpq = dpq.Where(p => p.Kmw < filterKmwLt);
                 if (filterOeGt > 0) dpq = dpq.Where(p => p.Kmw * (4.54 + 0.022 * p.Kmw) >= filterOeGt);