diff --git a/qad/blockview/drawtools.cpp b/qad/blockview/drawtools.cpp
index 2e01120..195135a 100644
--- a/qad/blockview/drawtools.cpp
+++ b/qad/blockview/drawtools.cpp
@@ -141,8 +141,10 @@ QRectF _DTSizeItem::boundingRect() const {
 bool _DTSizeItem::sceneEventFilter(QGraphicsItem * watched, QEvent * event) {
 	QGraphicsSceneMouseEvent * me = (QGraphicsSceneMouseEvent * )event;
 	if (watched == cur_item) {
-		if (event->type() == QEvent::Close)
+		if (event->type() == QEvent::Close) {
 			assignObject(0);
+			return true;
+		}
 		if (event->type() == QEvent::GraphicsSceneMouseDoubleClick) {
 			doubleClick();
 			return true;