diff --git a/src/plugins/qmlprofiler/timelineview.cpp b/src/plugins/qmlprofiler/timelineview.cpp
index 7acffef45a9..aa971f166fc 100644
--- a/src/plugins/qmlprofiler/timelineview.cpp
+++ b/src/plugins/qmlprofiler/timelineview.cpp
@@ -350,7 +350,7 @@ QString TimelineView::getDetails(int index) const
 int TimelineView::getYPosition(int index) const
 {
     Q_ASSERT(m_eventList);
-    if (index >= m_eventList->count())
+    if (index >= m_eventList->count() || m_rowStarts.isEmpty())
         return 0;
     int y, eventType = m_eventList->getType(index);
     if (m_rowsExpanded[eventType])