diff --git a/src/ism7mqtt/HomeAssistant/HaDiscovery.cs b/src/ism7mqtt/HomeAssistant/HaDiscovery.cs
index abf238c..5ec8194 100644
--- a/src/ism7mqtt/HomeAssistant/HaDiscovery.cs
+++ b/src/ism7mqtt/HomeAssistant/HaDiscovery.cs
@@ -129,10 +129,6 @@ private string GetDiscoveryTopicSuffix(ParameterDescriptor descriptor)
         {
             if (descriptor is ListParameterDescriptor list)
             {
-                if (!list.IsWritable && list.IsBoolean)
-                {
-                    return String.Empty;
-                }
                 return "/text";
             }
             else
@@ -193,42 +189,34 @@ private string GetHomeAssistantType(ParameterDescriptor descriptor)
                     }
                     break;
                 case ListParameterDescriptor list:
-                    if (list.IsWritable)
+                    if (list.IsBoolean)
                     {
-                        if (list.IsBoolean)
+                        if (list.Options.Any(x => x.Value == "Ein"))
                         {
-                            if (list.Options.Any(x => x.Value == "Ein"))
-                            {
-                                yield return("payload_on", "Ein");
-                            }
-                            if (list.Options.Any(x => x.Value == "Aktiviert"))
-                            {
-                                yield return("payload_on", "Aktiviert");
-                            }
-                            if (list.Options.Any(x => x.Value == "Aus"))
-                            {
-                                yield return("payload_off", "Aus");
-                            }
-                            if (list.Options.Any(x => x.Value == "Deaktiviert"))
-                            {
-                                yield return("payload_off", "Deaktiviert");
-                            }
+                            yield return ("payload_on", "Ein");
                         }
-                        else
+                        if (list.Options.Any(x => x.Value == "Aktiviert"))
                         {
-                            var options = new JsonArray();
-                            foreach (var value in list.Options)
-                            {
-                                options.Add(value.Value);
-                            }
-                            yield return("options", options);
-
+                            yield return ("payload_on", "Aktiviert");
+                        }
+                        if (list.Options.Any(x => x.Value == "Aus"))
+                        {
+                            yield return ("payload_off", "Aus");
+                        }
+                        if (list.Options.Any(x => x.Value == "Deaktiviert"))
+                        {
+                            yield return ("payload_off", "Deaktiviert");
                         }
                     }
-                    else if (list.IsBoolean)
+                    else
                     {
-                        yield return("payload_on", "true");
-                        yield return("payload_off", "false");
+                        var options = new JsonArray();
+                        foreach (var value in list.Options)
+                        {
+                            options.Add(value.Value);
+                        }
+                        yield return ("options", options);
+
                     }
                     break;
                 default:
diff --git a/src/ism7mqtt/ISM7/Ism7Config.cs b/src/ism7mqtt/ISM7/Ism7Config.cs
index 4a71281..8212c83 100644
--- a/src/ism7mqtt/ISM7/Ism7Config.cs
+++ b/src/ism7mqtt/ISM7/Ism7Config.cs
@@ -475,16 +475,6 @@ private IEnumerable<MqttMessage> HandleListParameter(MqttMessage value)
                     if (listDescriptor.Options.Any())
                     {
                         var key = value.Content;
-                        // some list types have a binary/bool converter, even if it doesn't make much sense.. try to detect those cases
-                        if (!listDescriptor.IsBoolean && _converter is BinaryReadOnlyConverterTemplate)
-                        {
-                            key = key switch
-                            {
-                                "false" => "0",
-                                "true" => "1",
-                                _ => key
-                            };
-                        }
                         var text = listDescriptor.Options.Where(x => x.Key == key).Select(x => x.Value).FirstOrDefault();
                         if (!String.IsNullOrEmpty(text))
                         {
diff --git a/src/ism7mqtt/ISM7/Xml/BinaryReadOnlyConverterTemplate.cs b/src/ism7mqtt/ISM7/Xml/BinaryReadOnlyConverterTemplate.cs
index 3e739da..a241831 100644
--- a/src/ism7mqtt/ISM7/Xml/BinaryReadOnlyConverterTemplate.cs
+++ b/src/ism7mqtt/ISM7/Xml/BinaryReadOnlyConverterTemplate.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Text.Json.Nodes;
 using System.Xml.Serialization;
 using ism7mqtt.ISM7.Protocol;
@@ -22,13 +23,14 @@ protected override void AddTelegram(byte low, byte high)
             _bit = (value >> Bitnumber) & 0x1;
         }
 
+        [MemberNotNullWhen(true, nameof(_bit))]
         public override bool HasValue => _bit.HasValue;
 
         public override JsonValue GetValue()
         {
             if (!HasValue)
                 throw new InvalidOperationException();
-            var result = JsonValue.Create(_bit.Value == OnValue);
+            var result = JsonValue.Create(_bit.Value == OnValue ? 1 : 0);
             _bit = null;
             return result;
         }
diff --git a/src/ism7mqtt/ISM7/Xml/MixerStateConverterTemplate.cs b/src/ism7mqtt/ISM7/Xml/MixerStateConverterTemplate.cs
index ac521bf..ffea4bc 100644
--- a/src/ism7mqtt/ISM7/Xml/MixerStateConverterTemplate.cs
+++ b/src/ism7mqtt/ISM7/Xml/MixerStateConverterTemplate.cs
@@ -48,15 +48,15 @@ public override JsonValue GetValue()
             JsonValue result;
             if (_open.HasValue && _open.Value != 0)
             {
-                result = JsonValue.Create("opened");
+                result = JsonValue.Create(2);
             }
             else if (_close.HasValue && _close.Value != 0)
             {
-                result = JsonValue.Create("closed");
+                result = JsonValue.Create(1);
             }
             else
             {
-                result = JsonValue.Create("-");
+                result = JsonValue.Create(0);
             }
             _open = null;
             _close = null;