diff --git a/src/presentation/applicationmodel.cpp b/src/presentation/applicationmodel.cpp
--- a/src/presentation/applicationmodel.cpp
+++ b/src/presentation/applicationmodel.cpp
@@ -93,12 +93,15 @@
     if (page == m_currentPage)
         return;
 
-    page->setParent(Q_NULLPTR);
     m_currentPage = QObjectPtr(page);
 
-    auto pageModel = m_currentPage.staticCast<PageModel>();
-    Q_ASSERT(pageModel);
-    pageModel->setErrorHandler(errorHandler());
+    if (m_currentPage) {
+        m_currentPage->setParent(Q_NULLPTR);
+
+        auto pageModel = m_currentPage.staticCast<PageModel>();
+        Q_ASSERT(pageModel);
+        pageModel->setErrorHandler(errorHandler());
+    }
 
     emit currentPageChanged(page);
 }
diff --git a/tests/units/presentation/applicationmodeltest.cpp b/tests/units/presentation/applicationmodeltest.cpp
--- a/tests/units/presentation/applicationmodeltest.cpp
+++ b/tests/units/presentation/applicationmodeltest.cpp
@@ -148,6 +148,24 @@
         QCOMPARE(spy.takeFirst().takeFirst().value<QObject*>(), page);
     }
 
+    void shouldSupportNullPage()
+    {
+        // GIVEN
+        Presentation::ApplicationModel app;
+        auto page = new FakePageModel(this);
+        app.setCurrentPage(page);
+        QCOMPARE(app.currentPage(), page);
+        QSignalSpy spy(&app, SIGNAL(currentPageChanged(QObject*)));
+
+        // WHEN
+        app.setCurrentPage(Q_NULLPTR);
+
+        // THEN
+        QVERIFY(!app.currentPage());
+        QCOMPARE(spy.count(), 1);
+        QVERIFY(!spy.takeFirst().takeFirst().value<QObject*>());
+    }
+
     void shouldTakeOwnershipOfCurrentPage()
     {
         // GIVEN