diff --git a/lib/models/task.dart b/lib/models/task.dart
index d23d3e7..58aadf5 100644
--- a/lib/models/task.dart
+++ b/lib/models/task.dart
@@ -5,7 +5,7 @@ import 'package:vikunja_app/models/user.dart';
 import 'package:vikunja_app/utils/datetime_to_unix.dart';
 
 class Task {
-  final int id, parentTaskID, priority;
+  final int id, parentTaskId, priority;
   final DateTime created, updated, dueDate, startDate, endDate;
   final List<DateTime> reminderDates;
   final String text, description;
@@ -24,7 +24,7 @@ class Task {
       this.dueDate,
       this.startDate,
       this.endDate,
-      this.parentTaskID,
+      this.parentTaskId,
       this.priority,
       this.repeatAfter,
       this.subtasks,
@@ -45,7 +45,7 @@ class Task {
         dueDate = dateTimeFromUnixTimestamp(json['dueDate']),
         startDate = dateTimeFromUnixTimestamp(json['startDate']),
         endDate = dateTimeFromUnixTimestamp(json['endDate']),
-        parentTaskID = json['parentTaskID'],
+        parentTaskId = json['parentTaskID'],
         priority = json['priority'],
         repeatAfter = Duration(seconds: json['repeatAfter']),
         labels = (json['labels'] as List<dynamic>)
diff --git a/test/task_json_decode_test.dart b/test/task_json_decode_test.dart
index 3179e79..a6308c3 100644
--- a/test/task_json_decode_test.dart
+++ b/test/task_json_decode_test.dart
@@ -19,7 +19,7 @@ void main() {
     ]);
     expect(task.dueDate, DateTime.fromMillisecondsSinceEpoch(1543834800 * 1000));
     expect(task.repeatAfter, Duration(seconds: 3600));
-    expect(task.parentTaskID, 0);
+    expect(task.parentTaskId, 0);
     expect(task.priority, 100);
     expect(task.startDate, DateTime.fromMillisecondsSinceEpoch(1543834800 * 1000));
     expect(task.endDate, DateTime.fromMillisecondsSinceEpoch(1543835000 * 1000));
@@ -40,7 +40,7 @@ void main() {
     expect(task.reminderDates, null);
     expect(task.dueDate, DateTime.fromMillisecondsSinceEpoch(1543834800 * 1000));
     expect(task.repeatAfter, Duration(seconds: 3600));
-    expect(task.parentTaskID, 0);
+    expect(task.parentTaskId, 0);
     expect(task.priority, 100);
     expect(task.startDate, DateTime.fromMillisecondsSinceEpoch(1543834800 * 1000));
     expect(task.endDate, DateTime.fromMillisecondsSinceEpoch(1543835000 * 1000));