diff --git a/tests/auto/tracing/flamegraphview/tst_flamegraphview.cpp b/tests/auto/tracing/flamegraphview/tst_flamegraphview.cpp
index 800b8543e82..5b8d9069e8e 100644
--- a/tests/auto/tracing/flamegraphview/tst_flamegraphview.cpp
+++ b/tests/auto/tracing/flamegraphview/tst_flamegraphview.cpp
@@ -99,7 +99,8 @@ void tst_FlameGraphView::initTestCase()
 void tst_FlameGraphView::testZoom()
 {
     auto selectedTypeId = [&]() {
-        return widget.rootObject()->property("selectedTypeId").toInt();
+        const QQuickItem *item = widget.rootObject();
+        return item ? item->property("selectedTypeId").toInt() : -1;
     };
 
     QWindow *window = widget.windowHandle();