diff --git a/src/akonadi/akonadiserializer.cpp b/src/akonadi/akonadiserializer.cpp
--- a/src/akonadi/akonadiserializer.cpp
+++ b/src/akonadi/akonadiserializer.cpp
@@ -215,9 +215,9 @@
     task->setTitle(todo->summary());
     task->setText(todo->description());
     task->setDone(todo->isCompleted());
-    task->setDoneDate(todo->completed().dateTime());
-    task->setStartDate(todo->dtStart().dateTime());
-    task->setDueDate(todo->dtDue().dateTime());
+    task->setDoneDate(todo->completed().dateTime().toUTC());
+    task->setStartDate(todo->dtStart().dateTime().toUTC());
+    task->setDueDate(todo->dtDue().dateTime().toUTC());
     task->setProperty("itemId", item.id());
     task->setProperty("parentCollectionId", item.parentCollection().id());
     task->setProperty("todoUid", todo->uid());
diff --git a/tests/units/akonadi/akonadiserializertest.cpp b/tests/units/akonadi/akonadiserializertest.cpp
--- a/tests/units/akonadi/akonadiserializertest.cpp
+++ b/tests/units/akonadi/akonadiserializertest.cpp
@@ -1049,9 +1049,9 @@
         QCOMPARE(todo->summary(), summary);
         QCOMPARE(todo->description(), content);
         QCOMPARE(todo->isCompleted(), isDone);
-        QCOMPARE(todo->completed().dateTime(), doneDate);
-        QCOMPARE(todo->dtStart().dateTime(), startDate);
-        QCOMPARE(todo->dtDue().dateTime(), dueDate);
+        QCOMPARE(todo->completed().dateTime().toUTC(), doneDate);
+        QCOMPARE(todo->dtStart().dateTime().toUTC(), startDate);
+        QCOMPARE(todo->dtDue().dateTime().toUTC(), dueDate);
 
         if (delegate.isValid()) {
             auto attendee = todo->attendeeByMail(delegate.email());