diff --git a/lcl/interfaces/qt/qtwscomctrls.pp b/lcl/interfaces/qt/qtwscomctrls.pp
index d9ed589d87..6bdcf1c845 100644
--- a/lcl/interfaces/qt/qtwscomctrls.pp
+++ b/lcl/interfaces/qt/qtwscomctrls.pp
@@ -1541,7 +1541,7 @@ begin
   begin
     QtTreeWidget := TQtTreeWidget(ALV.Handle);
     TWI := QtTreeWidget.topLevelItem(AIndex);
-    if QTreeWidgetItem_childCount(TWI) > 0 then
+    if (QTreeWidgetItem_childCount(TWI) > 0) and (ASubItem > 0) then
       Result := QtTreeWidget.visualItemRect(QTreeWidgetItem_child(TWI, ASubItem))
     else
       Result := QtTreeWidget.visualItemRect(TWI);