1 files changed, 4 insertions, 2 deletions
diff --git a/src/widgets/itemviews/qlistview.cpp b/src/widgets/itemviews/qlistview.cpp
index 68d5d7612f..f9e3082962 100644
--- a/src/widgets/itemviews/qlistview.cpp
+++ b/src/widgets/itemviews/qlistview.cpp
@@ -1575,12 +1575,14 @@ void QListView::doItemsLayout()
     setState(ExpandingState);
     if (d->model->columnCount(d->root) > 0) { // no columns means no contents
         d->resetBatchStartRow();
-        if (layoutMode() == SinglePass)
+        if (layoutMode() == SinglePass) {
             d->doItemsLayout(d->model->rowCount(d->root)); // layout everything
-        else if (!d->batchLayoutTimer.isActive()) {
+        } else if (!d->batchLayoutTimer.isActive()) {
             if (!d->doItemsLayout(d->batchSize)) // layout is done
                 d->batchLayoutTimer.start(0, this); // do a new batch as fast as possible
         }
+    } else { // clear the QBspTree generated by the last layout
+        d->clear();
     }
     QAbstractItemView::doItemsLayout();
     setState(oldState);        // restoring the oldState