diff --git a/src/qml/jsruntime/qv4qobjectwrapper.cpp b/src/qml/jsruntime/qv4qobjectwrapper.cpp
index 0f8251aaa6..029ca4d164 100644
--- a/src/qml/jsruntime/qv4qobjectwrapper.cpp
+++ b/src/qml/jsruntime/qv4qobjectwrapper.cpp
@@ -2781,9 +2781,11 @@ ReturnedValue QMetaObjectWrapper::constructInternal(const Value *argv, int argc)
                     objectOrGadget, d()->constructors, d()->constructorCount, v4, callData)) {
         object = CallPrecise(objectOrGadget, *ctor, v4, callData, QMetaObject::CreateInstance);
     }
-    Scoped<QMetaObjectWrapper> metaObject(scope, this);
-    object->defineDefaultProperty(v4->id_constructor(), metaObject);
-    object->setPrototypeOf(const_cast<QMetaObjectWrapper*>(this));
+    if (object) {
+        Scoped<QMetaObjectWrapper> metaObject(scope, this);
+        object->defineDefaultProperty(v4->id_constructor(), metaObject);
+        object->setPrototypeOf(const_cast<QMetaObjectWrapper*>(this));
+    }
     return object.asReturnedValue();
 
 }
diff --git a/tests/auto/qml/qjsengine/tst_qjsengine.cpp b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
index 88c8db028e..fb95dbe129 100644
--- a/tests/auto/qml/qjsengine/tst_qjsengine.cpp
+++ b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
@@ -1043,6 +1043,17 @@ private:
     int m_called = 1;
 };
 
+class TestQMetaObject2 : public QObject
+{
+    Q_OBJECT
+public:
+    Q_INVOKABLE TestQMetaObject2(int a) : m_called(a) {}
+    int called() const { return m_called; }
+
+private:
+    int m_called = 1;
+};
+
 void tst_QJSEngine::newQObjectPropertyCache()
 {
     QScopedPointer<QObject> obj(new QObject);
@@ -1118,6 +1129,18 @@ void tst_QJSEngine::newQMetaObject() {
         QCOMPARE(metaObject.property("C").toInt(), 2);
     }
 
+    {
+        QJSEngine engine;
+        const QJSValue metaObject = engine.newQMetaObject(&TestQMetaObject2::staticMetaObject);
+        engine.globalObject().setProperty("Example"_L1, metaObject);
+
+        const QJSValue invalid = engine.evaluate("new Example()"_L1);
+        QVERIFY(invalid.isError());
+        QCOMPARE(invalid.toString(), "Error: Insufficient arguments"_L1);
+
+        const QJSValue valid = engine.evaluate("new Example(123)"_L1);
+        QCOMPARE(qjsvalue_cast<TestQMetaObject2 *>(valid)->called(), 123);
+    }
 }
 
 void tst_QJSEngine::exceptionInSlot()