diff --git a/AdvancedDockingSystemDemo/src/dialogs/SectionContentListModel.cpp b/AdvancedDockingSystemDemo/src/dialogs/SectionContentListModel.cpp
index 0151176..4e64381 100644
--- a/AdvancedDockingSystemDemo/src/dialogs/SectionContentListModel.cpp
+++ b/AdvancedDockingSystemDemo/src/dialogs/SectionContentListModel.cpp
@@ -14,10 +14,16 @@ SectionContentListModel::~SectionContentListModel()
 
 void SectionContentListModel::init(ADS_NS::ContainerWidget* cw)
 {
+#if QT_VERSION >= 0x050000
 	beginResetModel();
 	_cw = cw;
 	_contents = _cw->contents();
 	endResetModel();
+#else
+	_cw = cw;
+	_contents = _cw->contents();
+	reset();
+#endif
 }
 
 int SectionContentListModel::columnCount(const QModelIndex& parent) const