diff --git a/lib/protocoll_messages/fin_task_message.dart b/lib/protocoll_messages/fin_task_message.dart
index ad17639..c4fa977 100644
--- a/lib/protocoll_messages/fin_task_message.dart
+++ b/lib/protocoll_messages/fin_task_message.dart
@@ -49,7 +49,7 @@ class FinTaskPos {
 
   late double long;
 
-  late int acc;
+  late int acc = 0;
 
   FinTaskPos();