diff --git a/OsmAnd/src/net/osmand/plus/views/BaseMapLayer.java b/OsmAnd/src/net/osmand/plus/views/BaseMapLayer.java
index c0a9b70ef3..d23af4351e 100644
--- a/OsmAnd/src/net/osmand/plus/views/BaseMapLayer.java
+++ b/OsmAnd/src/net/osmand/plus/views/BaseMapLayer.java
@@ -2,11 +2,12 @@ package net.osmand.plus.views;
 
 public abstract class BaseMapLayer extends OsmandMapLayer {
 
+	public static final int DEFAULT_MAX_ZOOM = 21;
 	private int alpha = 255;
 	protected int warningToSwitchMapShown = 0;
 
 	public int getMaximumShownMapZoom(){
-		return 21;
+		return DEFAULT_MAX_ZOOM;
 	}
 	
 	public int getMinimumShownMapZoom(){
diff --git a/OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java b/OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java
index 9520312773..5093824825 100644
--- a/OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java
+++ b/OsmAnd/src/net/osmand/plus/views/OsmandMapTileView.java
@@ -408,7 +408,7 @@ public class OsmandMapTileView implements IMapDownloaderCallback {
 	public void setMainLayer(BaseMapLayer mainLayer) {
 		this.mainLayer = mainLayer;
 		int zoom = currentViewport.getZoom();
-		maxZoom = mainLayer.getMaximumShownMapZoom();
+		maxZoom = BaseMapLayer.DEFAULT_MAX_ZOOM;
 		minZoom = mainLayer.getMinimumShownMapZoom() + 1;
 		if (maxZoom < zoom) {
 			zoom = maxZoom;