diff --git a/qad/blockview/blockbusitem.cpp b/qad/blockview/blockbusitem.cpp
index 7c7bb51..0a7231f 100644
--- a/qad/blockview/blockbusitem.cpp
+++ b/qad/blockview/blockbusitem.cpp
@@ -483,16 +483,16 @@ int BlockBusItem::neighborSegmentPoint(int point, int * seg) const {
 }
 
 
-void BlockBusItem::testPoint(QPointF pos, int * sel_point, int * sel_segment) {
+void BlockBusItem::testPoint(QPointF pos, int * sel_point, int * sel_segment, bool for_trace) {
 	for (int i = 0; i < pol.size(); ++i) {
-		if ((pol[i] - pos).manhattanLength() <= 10.) { // Point
+		if ((pol[i] - pos).manhattanLength() <= (for_trace ? 5. : 10.)) { // Point
 			*sel_point = i;
 			*sel_segment = -1;
 			return;
 		}
 	}
 	for (int i = 0; i < segments.size(); ++i) {
-		if (distPointToLine(pol[segments[i].first], pol[segments[i].second], pos) <= 7.) { // Segment
+		if (distPointToLine(pol[segments[i].first], pol[segments[i].second], pos) <= (for_trace ? 5. : 7.)) { // Segment
 			*sel_point = -1;
 			*sel_segment = i;
 			return;
diff --git a/qad/blockview/blockbusitem.h b/qad/blockview/blockbusitem.h
index 61eed85..54a5e45 100644
--- a/qad/blockview/blockbusitem.h
+++ b/qad/blockview/blockbusitem.h
@@ -46,7 +46,7 @@ public:
 	double endpointImageScale() const {return im_end_scale;}
 	void appendPoint(const QPointF & p);
 	void appendPoint(qreal x, qreal y);
-	void testPoint(QPointF pos, int * sel_point, int * sel_segment);
+	void testPoint(QPointF pos, int * sel_point, int * sel_segment, bool for_trace = false);
 	void clear();
 	/*void setStart(const QPointF & p) {pol[0] = p; scene()->update();}
 	void setStart(qreal x, qreal y) {setStart(QPointF(x, y));}
diff --git a/qad/blockview/blockview.cpp b/qad/blockview/blockview.cpp
index 8525b10..4f804ac 100644
--- a/qad/blockview/blockview.cpp
+++ b/qad/blockview/blockview.cpp
@@ -1349,7 +1349,7 @@ void BlockView::matchBus() {
 	//qDebug() << "1" << buses.size() << tmp_bus.pol;
 	for (int i = 0; i < buses.size(); ++i) {
 		b = buses[i];
-		b->testPoint(point, &sp, &ss);
+		b->testPoint(point, &sp, &ss, true);
 		//qDebug() << i << sp << ss;
 		if (sp >= 0 || ss >= 0) break;
 	}