diff --git a/src/libs/solutions/tasking/tasktree.h b/src/libs/solutions/tasking/tasktree.h
index eeaa29f5cb2..94db0d7c7ea 100644
--- a/src/libs/solutions/tasking/tasktree.h
+++ b/src/libs/solutions/tasking/tasktree.h
@@ -200,7 +200,7 @@ private:
     TaskHandler m_taskHandler;
 };
 
-class TASKING_EXPORT Group : public GroupItem
+class TASKING_EXPORT Group final : public GroupItem
 {
 public:
     Group(const QList<GroupItem> &children) { addChildren(children); }