diff --git a/qad/blockview/blockview.cpp b/qad/blockview/blockview.cpp
index 950e254..6e8a460 100644
--- a/qad/blockview/blockview.cpp
+++ b/qad/blockview/blockview.cpp
@@ -76,6 +76,8 @@ void BlockView::_init() {
 	connect(&nav_anim, SIGNAL(finished()), this, SLOT(_navFinished()));
 	connect(scene_, SIGNAL(sceneRectChanged(QRectF)), this, SLOT(adjustThumb()));
 	connect(scene_, SIGNAL(selectionChanged()), this, SLOT(sceneSelectionChanged()));
+	connect(horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(updateNavRect()));
+	connect(verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(updateNavRect()));
 	centerOn(scene_->sceneRect().center());
 	setCacheMode(CacheBackground);
 	setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
@@ -1853,7 +1855,7 @@ void BlockView::_setNav(QRectF v) {
 	matrix.scale(scl, scl);
 	nav_rect = v;
 	QGraphicsView::setTransform(matrix);
-	QGraphicsView::centerOn(nav_rect.center());
+	QGraphicsView::centerOn(v.center());
 }
 
 
diff --git a/qad/blockview/blockview.h b/qad/blockview/blockview.h
index 07696d8..d1ede0b 100644
--- a/qad/blockview/blockview.h
+++ b/qad/blockview/blockview.h
@@ -58,8 +58,6 @@ class BlockView: public QGraphicsView
 	Q_PROPERTY(double _thumb READ _thumb WRITE _setThumb DESIGNABLE false SCRIPTABLE false)
 	Q_PROPERTY(QRectF _nav READ _nav WRITE _setNav DESIGNABLE false SCRIPTABLE false)
 
-	void updateNavRect();
-
 public:
 	BlockView(QWidget * parent = 0);
 	BlockView(QGraphicsScene * scene, QWidget * parent = 0);
@@ -209,6 +207,7 @@ protected slots:
 	void removedBlock(QObject * o);
 	void removeJunk();
 	void sceneSelectionChanged();
+	void updateNavRect();
 	void _setThumb(double v);
 	void _setNav(QRectF v);
 	void _navFinished();