diff --git a/src/plugins/qmldesigner/components/propertyeditor/basicwidgets.cpp b/src/plugins/qmldesigner/components/propertyeditor/basicwidgets.cpp
index d64223015fa0d7a23e97b73d3f6e7a6d7c207085..e3dbc94fd309f6903789e20c6e1a5175b1e7a4a2 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/basicwidgets.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/basicwidgets.cpp
@@ -1204,7 +1204,7 @@ void BasicWidgets::registerDeclarativeTypes()
     //QML_REGISTER_TYPE(Bauhaus,1,0,BauhausreeView,BauhausreeView);
     //QML_REGISTER_TYPE(Bauhaus,1,0,BauhausableView,BauhausableView);
 
-    QML_REGISTER_TYPE(Qt,4,6,QTabObject,QTabObject); //### with namespacing, this should just be 'Tab'
+    QML_REGISTER_TYPE(Bauhaus,1,0,QTabObject,QTabObject); //### with namespacing, this should just be 'Tab'
 }
 
 #include "basicwidgets.moc"
diff --git a/src/plugins/qmldesigner/components/propertyeditor/qlayoutobject.cpp b/src/plugins/qmldesigner/components/propertyeditor/qlayoutobject.cpp
index bced9c1b0ab4eb11c9553d5d73aed893f8ae16b8..df48da4c001eb10496e8fea1c4ece68374df27e6 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/qlayoutobject.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/qlayoutobject.cpp
@@ -34,7 +34,7 @@ QT_BEGIN_NAMESPACE
 
 void QLayoutObject::registerDeclarativeType()
 {
-    QML_REGISTER_TYPE(Qt,4,6,QLayoutObject,QLayoutObject);
+    QML_REGISTER_TYPE(Bauhaus,1,0,QLayoutObject,QLayoutObject);
 }
 
 QLayoutObject::QLayoutObject(QObject *parent)
diff --git a/src/plugins/qmldesigner/components/propertyeditor/qproxylayoutitem.cpp b/src/plugins/qmldesigner/components/propertyeditor/qproxylayoutitem.cpp
index 32641129edc5db475b9cb10c2670d3f2d63af2f0..5f1ff79643dc59d0379184b29fca60a7e6aa9875 100644
--- a/src/plugins/qmldesigner/components/propertyeditor/qproxylayoutitem.cpp
+++ b/src/plugins/qmldesigner/components/propertyeditor/qproxylayoutitem.cpp
@@ -160,8 +160,8 @@ QSizeF QProxyLayout::sizeHint(Qt::SizeHint which,
 
 void QProxyLayoutItem::registerDeclarativeTypes()
 {
-    QML_REGISTER_TYPE(Qt,4,6,LayoutItem,QProxyLayoutItem);
-    QML_REGISTER_TYPE(Qt,4,6,ProxyLayout,QProxyLayout);
+    QML_REGISTER_TYPE(Bauhaus,1,0,LayoutItem,QProxyLayoutItem);
+    QML_REGISTER_TYPE(Bauhaus,1,0,ProxyLayout,QProxyLayout);
 }
 
 QT_END_NAMESPACE