diff --git a/src/platformtheme/kdemobileplatformfiledialoghelper.cpp b/src/platformtheme/kdemobileplatformfiledialoghelper.cpp
index 86b0837..9cee67f 100644
--- a/src/platformtheme/kdemobileplatformfiledialoghelper.cpp
+++ b/src/platformtheme/kdemobileplatformfiledialoghelper.cpp
@@ -27,6 +27,8 @@
 #include <QQmlContext>
 #include <QStandardPaths>
 #include <QUrl>
+#include <QQuickWindow>
+#include <QCoreApplication>
 
 // FIXME: remove
 #include <QDebug>
@@ -50,21 +52,28 @@ KDEMobilePlatformFileDialogHelper::~KDEMobilePlatformFileDialogHelper() = defaul
 void KDEMobilePlatformFileDialogHelper::exec()
 {
     qDebug() << "exec()";
+//     (void) m_eventLoop.exec(QEventLoop::DialogExec);
 //    m_engine->load(QUrl(QStringLiteral("qrc:///filedialog.qml")));
 }
 
 bool KDEMobilePlatformFileDialogHelper::show(Qt::WindowFlags windowFlags, Qt::WindowModality windowModality, QWindow *parent)
 {
-    qDebug() << "show()";
-
-    // with false the QML application window works and the fallback dialog is opened
-//    return false;
-    // with true nothing is displayed
-    return true;
+    for (auto o : m_engine->rootObjects()) {
+        QQuickWindow* window = qobject_cast<QQuickWindow*>(o);
+        window->setFlags(windowFlags);
+        window->setModality(windowModality);
+        window->setParent(parent);
+        window->setVisible(true);
+    }
+    qDebug() << "show()" << windowModality;
+
+    return !m_engine->rootObjects().isEmpty();
 }
 
 void KDEMobilePlatformFileDialogHelper::hide()
 {
+    for (auto o : m_engine->rootObjects())
+        o->setProperty("visible", false);
     qDebug() << "hide()";
 }
 
diff --git a/src/platformtheme/kdemobileplatformfiledialoghelper.h b/src/platformtheme/kdemobileplatformfiledialoghelper.h
index 5e7fb9b..9e07e10 100644
--- a/src/platformtheme/kdemobileplatformfiledialoghelper.h
+++ b/src/platformtheme/kdemobileplatformfiledialoghelper.h
@@ -23,6 +23,7 @@
 #define KDEMOBILEPLATFORMFILEDIALOGHELPER_H
 
 #include <qpa/qplatformdialoghelper.h>
+#include <QEventLoop>
 class QQmlApplicationEngine;
 
 class KDEMobilePlatformFileDialogHelper : public QPlatformFileDialogHelper
@@ -51,6 +52,7 @@ public:
 //    bool isSupportedUrl(const QUrl& url) const override;
 
 private:
+    QEventLoop m_eventLoop;
     QQmlApplicationEngine *m_engine;
 };