diff --git a/src/qml/jsruntime/qv4qobjectwrapper.cpp b/src/qml/jsruntime/qv4qobjectwrapper.cpp
index 147f27ee37..75006bfe5c 100644
--- a/src/qml/jsruntime/qv4qobjectwrapper.cpp
+++ b/src/qml/jsruntime/qv4qobjectwrapper.cpp
@@ -1765,8 +1765,8 @@ Heap::QObjectMethod::QObjectMethod(QV4::ExecutionContext *scope, QObject *object
     : Heap::FunctionObject(scope)
     , object(object)
     , index(index)
-    , qmlGlobal(qmlGlobal)
 {
+    this->qmlGlobal = qmlGlobal;
     setVTable(QV4::QObjectMethod::staticVTable());
     subtype = WrappedQtMethod;
 }
@@ -1875,7 +1875,7 @@ ReturnedValue QObjectMethod::callInternal(CallData *callData)
     if (method.isV4Function()) {
         QV4::ScopedValue rv(scope, QV4::Primitive::undefinedValue());
 
-        QV4::ScopedValue qmlGlobal(scope, d()->qmlGlobal.value());
+        QV4::ScopedValue qmlGlobal(scope, d()->qmlGlobal);
         QQmlV4Function func(callData, rv, qmlGlobal,
                             QmlContextWrapper::getContext(qmlGlobal),
                             v8Engine);
@@ -1894,6 +1894,11 @@ ReturnedValue QObjectMethod::callInternal(CallData *callData)
     }
 }
 
+void QObjectMethod::markObjects(Heap::Base *that, ExecutionEngine *e)
+{
+    static_cast<QObjectMethod::Data*>(that)->qmlGlobal.mark(e);
+}
+
 DEFINE_OBJECT_VTABLE(QObjectMethod);
 
 Heap::QmlSignalHandler::QmlSignalHandler(QV4::ExecutionEngine *engine, QObject *object, int signalIndex)
diff --git a/src/qml/jsruntime/qv4qobjectwrapper_p.h b/src/qml/jsruntime/qv4qobjectwrapper_p.h
index 8f04c341c2..c2822d7522 100644
--- a/src/qml/jsruntime/qv4qobjectwrapper_p.h
+++ b/src/qml/jsruntime/qv4qobjectwrapper_p.h
@@ -78,7 +78,7 @@ struct QObjectMethod : FunctionObject {
     QObjectMethod(QV4::ExecutionContext *scope, QObject *object, int index, const ValueRef qmlGlobal);
     QPointer<QObject> object;
     int index;
-    QV4::PersistentValue qmlGlobal;
+    Value qmlGlobal;
 };
 
 struct QmlSignalHandler : Object {
@@ -151,6 +151,7 @@ struct Q_QML_EXPORT QObjectMethod : public QV4::FunctionObject
 
     ReturnedValue callInternal(CallData *callData);
 
+    static void markObjects(Heap::Base *that, QV4::ExecutionEngine *e);
     static void destroy(Managed *that)
     {
         static_cast<QObjectMethod *>(that)->d()->~Data();