diff --git a/GraphicsView/include/CGAL/Qt/PointsInKdTreeGraphicsItem.h b/GraphicsView/include/CGAL/Qt/PointsInKdTreeGraphicsItem.h
index d3c6e24ec70..a16c3ddee6b 100644
--- a/GraphicsView/include/CGAL/Qt/PointsInKdTreeGraphicsItem.h
+++ b/GraphicsView/include/CGAL/Qt/PointsInKdTreeGraphicsItem.h
@@ -129,7 +129,7 @@ PointsInKdTreeGraphicsItem<KdTree>::PointsInKdTreeGraphicsItem(KdTree * p_)
   }
   updateBoundingBox();
   setZValue(3);
-#if QT_VERSION > 0x040500
+#if QT_VERSION >= 0x040600
   setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true);
 #endif
 }