diff --git a/lib/protocoll_messages/status_info_update.dart b/lib/protocoll_messages/status_info_update.dart
index 2208732..938caad 100644
--- a/lib/protocoll_messages/status_info_update.dart
+++ b/lib/protocoll_messages/status_info_update.dart
@@ -1,8 +1,7 @@
+import 'package:stadtbote/model/status.dart';
 
-import 'package:stadtbote/model/session_status.dart';
+class StatusInfoUpdate {
+  StatusInfoUpdate({required this.status});
 
-class SessionStatusInfoUpdate {
-  SessionStatusInfoUpdate({required this.status});
-
-  final SessionStatus status;
+  final Status status;
 }
\ No newline at end of file
diff --git a/lib/tools/constants.dart b/lib/tools/constants.dart
index ce08f75..41ace80 100644
--- a/lib/tools/constants.dart
+++ b/lib/tools/constants.dart
@@ -7,6 +7,7 @@ class Constants {
   static const String messageTopicConnectionStatusChanged = "connection_status_changed";
   static const String messageTopicSessionInfoUpdate = "status_info_updated";
   static const String messageTopicSessionStatusInfoUpdate = "session_status_info_updated";
+  static const String messageTopicStatusInfoUpdated = "status_info_updated";
   static const String messageTopicLocationStatusUpdated = "location_status_updated";
   static const String messageTopicRankingUpdated = "ranking_updated";
   static const String messageTopicJobReceived = "job_received";
diff --git a/lib/tools/mqtt_core.dart b/lib/tools/mqtt_core.dart
index 21712b4..da5f003 100644
--- a/lib/tools/mqtt_core.dart
+++ b/lib/tools/mqtt_core.dart
@@ -23,6 +23,7 @@ import 'package:stadtbote/protocoll_messages/device_log_response.dart';
 import 'package:stadtbote/protocoll_messages/device_object.dart';
 import 'package:stadtbote/protocoll_messages/payload_container.dart';
 import 'package:stadtbote/protocoll_messages/start_session_message.dart';
+import 'package:stadtbote/protocoll_messages/status_info_update.dart';
 import 'package:stadtbote/protocoll_messages/sync_jobs_message.dart';
 import 'package:stadtbote/protocoll_messages/track_message.dart';
 import 'package:stadtbote/tools/connection_status.dart';
@@ -180,61 +181,63 @@ class MqttCore {
   void _setupMqtt() async {
     Util.logInfo('_setupMqtt called');
 
-    _mqttClient!.updates?.listen((List<MqttReceivedMessage<MqttMessage>> c) {
-      for (var message in c) {
+    _mqttClient!.updates?.listen((List<MqttReceivedMessage<MqttMessage>> messages) {
+      for (var mqttMessage in messages) {
         try {
-          if (message.topic.endsWith(_clientId)) {
-            var messageBytes = message.payload.;
-            String payload = utf8.decode(GZipDecoder().decodeBytes(messageBytes));
+          final MqttPublishMessage message = mqttMessage.payload as MqttPublishMessage;
 
-            var topicArray = message.variableHeader?.topicName;
-            var topicArraySplited = topicArray!.split("/");
-            var topic = topicArraySplited[3];
+          if (message.variableHeader!.topicName.endsWith(_clientId)) {
+          var messageBytes = message.payload.message;
+          String payload = utf8.decode(GZipDecoder().decodeBytes(messageBytes));
 
-            Util.logInfo('message received\ntopic: $topic\nmessage: $payload');
+          var topicArray = message.variableHeader?.topicName;
+          var topicArraySplited = topicArray!.split("/");
+          var topic = topicArraySplited[3];
 
-            switch(topic) {
-              case 'session':
-                _sessionMessageReceived(jsonDecode(payload));
-                break;
+          Util.logInfo('message received\ntopic: $topic\nmessage: $payload');
 
-              case 'status':
-                _statusMessageReceived(jsonDecode(payload));
-                break;
+          switch (topic) {
+            case 'session':
+              _sessionMessageReceived(jsonDecode(payload));
+              break;
 
-              case 'ranks':
-                _rankingMessageReceived(jsonDecode(payload));
-                break;
+            case 'status':
+              _statusMessageReceived(jsonDecode(payload));
+              break;
 
-              case 'job':
-                _jobMessageReceived(jsonDecode(payload));
-                break;
+            case 'ranks':
+              _rankingMessageReceived(jsonDecode(payload));
+              break;
 
-              case 'job_del':
-                _jobDeleteReceived(jsonDecode(payload));
-                break;
+            case 'job':
+              _jobMessageReceived(jsonDecode(payload));
+              break;
 
-              case 'sync_request':
-                _syncRequestReceived(jsonDecode(payload));
-                break;
+            case 'job_del':
+              _jobDeleteReceived(jsonDecode(payload));
+              break;
 
-              case "mssg":
-                _messageMessageReceived(jsonDecode(payload));
-                break;
+            case 'sync_request':
+              _syncRequestReceived(jsonDecode(payload));
+              break;
 
-              case "upload_device_log":
-                _messageUploadDeviceLogReceived(jsonDecode(payload));
-                break;
+            case "mssg":
+              _messageMessageReceived(jsonDecode(payload));
+              break;
 
-              default:
-                Util.logInfo('Unknown topic: $topic');
-                break;
-            }
+            case "upload_device_log":
+              _messageUploadDeviceLogReceived(jsonDecode(payload));
+              break;
+
+            default:
+              Util.logInfo('Unknown topic: $topic');
+              break;
           }
-      } catch(ex) {
-        Util.logException(ex.toString());
-      }
-    });
+        }
+        } catch(ex) {
+          Util.logException(ex.toString());
+        }
+    }});
 
     if (await Util.preferencesContainsKey(Constants.prefsPreviousMqttSubscription)) {
       String previousMqttSubscription = await Util.preferencesGetString(Constants.prefsPreviousMqttSubscription, "") as String;
@@ -284,7 +287,7 @@ class MqttCore {
       MessageService().publish<StatusInfoUpdate>(Constants.messageTopicStatusInfoUpdated, arguments: StatusInfoUpdate(status: statusMessage));
     }
 
-  void _locationSatusMessageReceived(payloadData) async {
+  void _locationStatusMessageReceived(payloadData) async {
     var locationStatus = LocationStatus.fromJson(payloadData);
 
     await MyApp.isarInstance.writeTxn(() async {