diff --git a/Elwig/Helpers/ClientParameters.cs b/Elwig/Helpers/ClientParameters.cs
index 071ddbe..890601b 100644
--- a/Elwig/Helpers/ClientParameters.cs
+++ b/Elwig/Helpers/ClientParameters.cs
@@ -206,15 +206,15 @@ namespace Elwig.Helpers {
                 case 1: orderingMemberList = "NAME"; break;
                 case 2: orderingMemberList = "KG"; break;
             }
-            string mailSendPostal = "MGNR";
-            switch (MailOrdering) {
+            string mailSendPostal = "WISH";
+            switch (MailSendPostal) {
                 case 0: mailSendPostal = "NONE"; break;
                 case 1: mailSendPostal = "NO_EMAIL"; break;
                 case 2: mailSendPostal = "WISH"; break;
                 case 3: mailSendPostal = "ALL"; break;
             }
-            string mailSendEmail = "MGNR";
-            switch (MailOrdering) {
+            string mailSendEmail = "WISH";
+            switch (MailSendEmail) {
                 case 0: mailSendEmail = "NONE"; break;
                 case 1: mailSendEmail = "WISH"; break;
                 case 2: mailSendEmail = "ALL"; break;