diff --git a/Elwig/Helpers/ClientParameters.cs b/Elwig/Helpers/ClientParameters.cs
index e2c4301..711db1c 100644
--- a/Elwig/Helpers/ClientParameters.cs
+++ b/Elwig/Helpers/ClientParameters.cs
@@ -7,10 +7,10 @@ using System.Threading.Tasks;
 namespace Elwig.Helpers {
     public class ClientParameters {
 
-        public enum Type { Matzen, GWK };
+        public enum Type { Matzen, Winzerkeller };
 
         public bool IsMatzen => Client == Type.Matzen;
-        public bool IsGWK => Client == Type.GWK;
+        public bool IsWinzerkeller => Client == Type.Winzerkeller;
 
         public string NameToken;
         public string NameShort;
@@ -61,7 +61,7 @@ namespace Elwig.Helpers {
                 NameType = parameters["CLIENT_NAME_TYPE"] ?? throw new KeyNotFoundException();
                 switch (Name) {
                     case "Winzergenossenschaft für Matzen und Umgebung": Client = Type.Matzen; break;
-                    case "Winzerkeller im Weinviertel": Client = Type.GWK; break;
+                    case "Winzerkeller im Weinviertel": Client = Type.Winzerkeller; break;
                 };
 
                 Plz = int.Parse(parameters["CLIENT_PLZ"] ?? "");