diff --git a/src/map/ozimap.cpp b/src/map/ozimap.cpp
index 60240bfc..de1a4ed7 100644
--- a/src/map/ozimap.cpp
+++ b/src/map/ozimap.cpp
@@ -12,6 +12,7 @@
 #include "ozf.h"
 #include "image.h"
 #include "mapfile.h"
+#include "rectd.h"
 #include "ozimap.h"
 
 
@@ -334,9 +335,9 @@ int OziMap::zoomFit(const QSize &size, const RectC &rect)
 	if (!rect.isValid())
 		rescale(0);
 	else {
-		QPointF tl(_transform.proj2img(_projection.ll2xy(rect.topLeft())));
-		QPointF br(_transform.proj2img(_projection.ll2xy(rect.bottomRight())));
-		QRect sbr(QRectF(tl, br).toRect().normalized());
+		RectD prect(rect, _projection);
+		QRectF sbr(_transform.proj2img(prect.topLeft()),
+		  _transform.proj2img(prect.bottomRight()));
 
 		for (int i = 0; i < _ozf->zooms(); i++) {
 			rescale(i);
diff --git a/src/map/wmsmap.cpp b/src/map/wmsmap.cpp
index 6d9dea85..e75348b0 100644
--- a/src/map/wmsmap.cpp
+++ b/src/map/wmsmap.cpp
@@ -127,10 +127,8 @@ QRectF WMSMap::bounds()
 int WMSMap::zoomFit(const QSize &size, const RectC &rect)
 {
 	if (rect.isValid()) {
-		PointD tl(_projection.ll2xy(rect.topLeft()));
-		PointD br(_projection.ll2xy(rect.bottomRight()));
-		PointD sc((br.x() - tl.x()) / size.width(), (tl.y() - br.y())
-		  / size.height());
+		RectD prect(rect, _projection);
+		PointD sc(prect.width() / size.width(), prect.height() / size.height());
 		double resolution = qMax(qAbs(sc.x()), qAbs(sc.y()));
 		if (_projection.isGeographic())
 			resolution *= deg2rad(WGS84_RADIUS);
diff --git a/src/map/wmtsmap.cpp b/src/map/wmtsmap.cpp
index 05ff6392..f9dba6ac 100644
--- a/src/map/wmtsmap.cpp
+++ b/src/map/wmtsmap.cpp
@@ -103,10 +103,8 @@ QRectF WMTSMap::bounds()
 int WMTSMap::zoomFit(const QSize &size, const RectC &rect)
 {
 	if (rect.isValid()) {
-		PointD tl(_projection.ll2xy(rect.topLeft()));
-		PointD br(_projection.ll2xy(rect.bottomRight()));
-		PointD sc((br.x() - tl.x()) / size.width(), (tl.y() - br.y())
-		  / size.height());
+		RectD prect(rect, _projection);
+		PointD sc(prect.width() / size.width(), prect.height() / size.height());
 		double resolution = qMax(qAbs(sc.x()), qAbs(sc.y()));
 		if (_projection.isGeographic())
 			resolution *= deg2rad(WGS84_RADIUS);