diff --git a/src/atlas.cpp b/src/atlas.cpp
index 6ceeffe2..6c19192a 100644
--- a/src/atlas.cpp
+++ b/src/atlas.cpp
@@ -202,6 +202,11 @@ qreal Atlas::zoomFit(const QSize &size, const QRectF &br)
 {
 	_zoom = 0;
 
+	if (br.isNull()) {
+		_zoom = _zooms.size() - 1;
+		return _zoom;
+	}
+
 	for (int z = 0; z < _zooms.count(); z++) {
 		for (int i = _zooms.at(z).first; i <= _zooms.at(z).second; i++) {
 			if (!_bounds.at(i).first.contains(_maps.at(i)->ll2pp(br.center())))