diff --git a/ThumbnailView/ThumbnailDND.cpp b/ThumbnailView/ThumbnailDND.cpp
--- a/ThumbnailView/ThumbnailDND.cpp
+++ b/ThumbnailView/ThumbnailDND.cpp
@@ -55,7 +55,11 @@
 
     if ( ( event->pos().y() < 10 ) )
         widget()->scrollTo( widget()->indexUnderCursor(), QAbstractItemView::PositionAtCenter );
+#if QT_VERSION >= QT_VERSION_CHECK(5, 8, 0)
     if ( ( event->pos().y() > widget()->viewport()->visibleRegion().cbegin()->height() - 10 ) )
+#else
+    if ( ( event->pos().y() > widget()->viewport()->visibleRegion().rects().first().height() - 10 ) )
+#endif
         widget()->scrollTo( widget()->indexUnderCursor(), QAbstractItemView::PositionAtCenter );
     bool left = ( event->pos().x() - rect.x() < rect.width()/2 );
     if ( left ) {