diff --git a/src/plugins/qmlprofilerextension/FlameGraphView.qml b/src/plugins/qmlprofilerextension/FlameGraphView.qml
index 7cb4fb5f5fcde61485d72402b0169dcbc56450c6..9cd8c9a674b7979c2eb66f3859e9ecc5b41d353e 100644
--- a/src/plugins/qmlprofilerextension/FlameGraphView.qml
+++ b/src/plugins/qmlprofilerextension/FlameGraphView.qml
@@ -24,7 +24,7 @@
 ****************************************************************************/
 
 import QtQuick 2.0
-import QtQuick.Controls 1.4
+import QtQuick.Controls 1.3
 import FlameGraph 1.0
 import FlameGraphModel 1.0
 
diff --git a/src/plugins/qmlprofilerextension/flamegraphmodel.h b/src/plugins/qmlprofilerextension/flamegraphmodel.h
index 06b5b042e15cfd5151c514987a4fef511939d6c8..38d04743fe2a0569c824c5f46c6140007038eb42 100644
--- a/src/plugins/qmlprofilerextension/flamegraphmodel.h
+++ b/src/plugins/qmlprofilerextension/flamegraphmodel.h
@@ -78,7 +78,7 @@ public:
 
     QModelIndex index(int row, int column, const QModelIndex &parent) const override;
     QModelIndex parent(const QModelIndex &child) const override;
-    int rowCount(const QModelIndex &parent) const override;
+    Q_INVOKABLE int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent) const override;
     QVariant data(const QModelIndex &index, int role) const override;
     QHash<int, QByteArray> roleNames() const override;
diff --git a/src/plugins/qmlprofilerextension/flamegraphview.cpp b/src/plugins/qmlprofilerextension/flamegraphview.cpp
index 532f9718bbc16ba81b2a7df8a028e86fc0185291..26b08d994025ac651a9f08314f78495aad4fd474 100644
--- a/src/plugins/qmlprofilerextension/flamegraphview.cpp
+++ b/src/plugins/qmlprofilerextension/flamegraphview.cpp
@@ -46,6 +46,8 @@ FlameGraphView::FlameGraphView(QWidget *parent, QmlProfiler::QmlProfilerModelMan
     qmlRegisterType<FlameGraph>("FlameGraph", 1, 0, "FlameGraph");
     qmlRegisterUncreatableType<FlameGraphModel>("FlameGraphModel", 1, 0, "FlameGraphModel",
                                                 QLatin1String("use the context property"));
+    qmlRegisterUncreatableType<QAbstractItemModel>("AbstractItemModel", 1, 0, "AbstractItemModel",
+                                                   QLatin1String("only for Qt 5.4"));
 
     m_content->rootContext()->setContextProperty(QStringLiteral("flameGraphModel"), m_model);
     m_content->setSource(QUrl(QStringLiteral("qrc:/FlameGraphView.qml")));