diff --git a/OsmAnd-java/src/net/osmand/RenderingContext.java b/OsmAnd-java/src/net/osmand/RenderingContext.java
index 4297912146..d6536b3a90 100644
--- a/OsmAnd-java/src/net/osmand/RenderingContext.java
+++ b/OsmAnd-java/src/net/osmand/RenderingContext.java
@@ -28,13 +28,13 @@ public class RenderingContext {
 	}
 	
 
-	public float leftX;
-	public float topY;
+	public double leftX;
+	public double topY;
 	public int width;
 	public int height;
 
 	public int zoom;
-	public float tileDivisor;
+	public double tileDivisor;
 	public float rotate;
 
 	// debug purpose
diff --git a/OsmAnd/src/net/osmand/plus/render/MapRenderRepositories.java b/OsmAnd/src/net/osmand/plus/render/MapRenderRepositories.java
index 938a87d1be..7f3a049a82 100644
--- a/OsmAnd/src/net/osmand/plus/render/MapRenderRepositories.java
+++ b/OsmAnd/src/net/osmand/plus/render/MapRenderRepositories.java
@@ -586,11 +586,11 @@ public class MapRenderRepositories {
 			final QuadPointDouble lt = requestedBox.getLeftTopTile(requestedBox.getZoom());
 //			LatLon ltn = requestedBox.getLeftTopLatLon();
 			final float mapDensity = (float) Math.pow(2, requestedBox.getZoomScale());
-			final float tileDivisor = (float) MapUtils.getPowZoom(31 - requestedBox.getZoom() -
+			final double tileDivisor = MapUtils.getPowZoom(31 - requestedBox.getZoom() -
 						requestedBox.getZoomScale());
-			currentRenderingContext.leftX = (float) (lt.x * MapUtils.getPowZoom(requestedBox.getZoomScale()));
+			currentRenderingContext.leftX = lt.x * MapUtils.getPowZoom(requestedBox.getZoomScale());
 					// MapUtils.get31TileNumberX(ltn.getLongitude()) / tileDivisor;
-			currentRenderingContext.topY = (float) (lt.y * MapUtils.getPowZoom(requestedBox.getZoomScale()));
+			currentRenderingContext.topY = lt.y * MapUtils.getPowZoom(requestedBox.getZoomScale());
 					//MapUtils.get31TileNumberY(ltn.getLatitude()) / tileDivisor;
 			currentRenderingContext.zoom = requestedBox.getZoom();
 			currentRenderingContext.rotate = requestedBox.getRotate();
diff --git a/OsmAnd/src/net/osmand/plus/render/OsmandRenderer.java b/OsmAnd/src/net/osmand/plus/render/OsmandRenderer.java
index 2874069451..259fdc22be 100644
--- a/OsmAnd/src/net/osmand/plus/render/OsmandRenderer.java
+++ b/OsmAnd/src/net/osmand/plus/render/OsmandRenderer.java
@@ -415,10 +415,10 @@ public class OsmandRenderer {
 
 	private PointF calcPoint(int xt, int yt, RenderingContext rc){
 		rc.pointCount ++;
-		float tx = xt / rc.tileDivisor;
-		float ty = yt / rc.tileDivisor;
-		float dTileX = tx - rc.leftX;
-		float dTileY = ty - rc.topY;
+		double tx = xt / rc.tileDivisor;
+		double ty = yt / rc.tileDivisor;
+		float dTileX = (float) (tx - rc.leftX);
+		float dTileY = (float) (ty - rc.topY);
 		float x = rc.cosRotateTileSize * dTileX - rc.sinRotateTileSize * dTileY;
 		float y = rc.sinRotateTileSize * dTileX + rc.cosRotateTileSize * dTileY;
 		rc.tempPoint.set(x, y);