diff --git a/sources/qetgraphicsitem/qetshapeitem.cpp b/sources/qetgraphicsitem/qetshapeitem.cpp
index c4f2149c6..0017cb702 100644
--- a/sources/qetgraphicsitem/qetshapeitem.cpp
+++ b/sources/qetgraphicsitem/qetshapeitem.cpp
@@ -173,6 +173,7 @@ void QetShapeItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *opti
 	QPen pen;
 	pen.setStyle(m_shapeStyle);
 	if (isSelected()) pen.setColor(Qt::red);
+	painter -> setRenderHint(QPainter::Antialiasing, false);
 	painter->setPen(pen);
 
 	// TODO for printing line type on Windows