diff --git a/src/scripting/scripthandler.h b/src/scripting/scripthandler.h
--- a/src/scripting/scripthandler.h
+++ b/src/scripting/scripthandler.h
@@ -37,7 +37,7 @@
 {
     Q_OBJECT
 public:
-    explicit ScriptHandler(const Domain::TaskRepository::Ptr &taskRepository);
+    explicit ScriptHandler(const Domain::TaskRepository::Ptr &taskRepository, QObject *parent = Q_NULLPTR);
 
     QScriptValue evaluateFile(const QString &filename);
     QScriptValue evaluateString(const QString &string);
diff --git a/src/scripting/scripthandler.cpp b/src/scripting/scripthandler.cpp
--- a/src/scripting/scripthandler.cpp
+++ b/src/scripting/scripthandler.cpp
@@ -30,12 +30,13 @@
 
 using namespace Scripting;
 
-ScriptHandler::ScriptHandler(const Domain::TaskRepository::Ptr &taskRepository)
-    : m_taskRepository(taskRepository),
+ScriptHandler::ScriptHandler(const Domain::TaskRepository::Ptr &taskRepository, QObject *parent)
+    : QObject(parent),
+      m_taskRepository(taskRepository),
       m_engine(new QScriptEngine(this))
 {
     m_engine->globalObject().setProperty(QStringLiteral("task"),
-                                         m_engine->newQObject(new TaskAction(m_taskRepository)));
+                                         m_engine->newQObject(new TaskAction(m_taskRepository, this)));
 }
 
 QScriptValue ScriptHandler::evaluateFile(const QString &filename)
diff --git a/src/scripting/taskaction.h b/src/scripting/taskaction.h
--- a/src/scripting/taskaction.h
+++ b/src/scripting/taskaction.h
@@ -37,7 +37,7 @@
 {
     Q_OBJECT
 public:
-    explicit TaskAction(const Domain::TaskRepository::Ptr &taskRepository);
+    explicit TaskAction(const Domain::TaskRepository::Ptr &taskRepository, QObject *parent = Q_NULLPTR);
 
 public slots:
 
diff --git a/src/scripting/taskaction.cpp b/src/scripting/taskaction.cpp
--- a/src/scripting/taskaction.cpp
+++ b/src/scripting/taskaction.cpp
@@ -26,8 +26,9 @@
 
 using namespace Scripting;
 
-TaskAction::TaskAction(const Domain::TaskRepository::Ptr &taskRepository)
-    : m_taskRepository(taskRepository)
+TaskAction::TaskAction(const Domain::TaskRepository::Ptr &taskRepository, QObject *parent)
+    : QObject(parent),
+      m_taskRepository(taskRepository)
 {
 }
 
diff --git a/tests/units/scripting/scripthandlertest.cpp b/tests/units/scripting/scripthandlertest.cpp
--- a/tests/units/scripting/scripthandlertest.cpp
+++ b/tests/units/scripting/scripthandlertest.cpp
@@ -39,7 +39,7 @@
         Utils::MockObject<Domain::TaskRepository> taskRepositoryMock;
 
         // WHEN
-        auto scripthandler = new Scripting::ScriptHandler(taskRepositoryMock.getInstance());
+        auto scripthandler = new Scripting::ScriptHandler(taskRepositoryMock.getInstance(), this);
 
         // THEN
         QVERIFY(!scripthandler->engine()->globalObject().property(QStringLiteral("task")).isNull());
@@ -50,7 +50,7 @@
     {
         // GIVEN
         Utils::MockObject<Domain::TaskRepository> taskRepositoryMock;
-        auto scripthandler = new Scripting::ScriptHandler(taskRepositoryMock.getInstance());
+        auto scripthandler = new Scripting::ScriptHandler(taskRepositoryMock.getInstance(), this);
 
         auto expression = QStringLiteral("41+1");
 
@@ -66,7 +66,7 @@
     {
         // GIVEN
         Utils::MockObject<Domain::TaskRepository> taskRepositoryMock;
-        auto scripthandler = new Scripting::ScriptHandler(taskRepositoryMock.getInstance());
+        auto scripthandler = new Scripting::ScriptHandler(taskRepositoryMock.getInstance(), this);
 
         auto expression = QStringLiteral("41+1");