diff --git a/qad/blockview/blockview.cpp b/qad/blockview/blockview.cpp
index a14e92e..688eee1 100644
--- a/qad/blockview/blockview.cpp
+++ b/qad/blockview/blockview.cpp
@@ -1638,8 +1638,10 @@ void BlockView::adjustThumb() {
 	else
 		scl = thumb_size.height() / sr.height();
 	tr = sr * scl;
-	widget_thumb.setGeometry(QRect(QPoint(width() - tr.width() - 10 - verticalScrollBar()->width(),
-										height() - tr.height() - 10 - horizontalScrollBar()->height()), tr.toSize()));
+	int sx = verticalScrollBar()->isHidden() ? 0 : verticalScrollBar()->width();
+	int sy = horizontalScrollBar()->isHidden() ? 0 : horizontalScrollBar()->height();
+	widget_thumb.setGeometry(QRect(QPoint(width() - tr.width()  - 10 - sx,
+										 height() - tr.height() - 10 - sy), tr.toSize()));
 }