diff --git a/vtm/src/org/oscim/map/Viewport.java b/vtm/src/org/oscim/map/Viewport.java
index 3956ea46..6a6cc86d 100644
--- a/vtm/src/org/oscim/map/Viewport.java
+++ b/vtm/src/org/oscim/map/Viewport.java
@@ -34,7 +34,7 @@ import org.oscim.utils.FastMath;
 public class Viewport {
 	//private static final String TAG = Viewport.class.getName();
 
-	public final static int MAX_ZOOMLEVEL = 20;
+	public final static int MAX_ZOOMLEVEL = 22;
 	public final static int MIN_ZOOMLEVEL = 2;
 
 	public final static double MAX_SCALE = (1 << MAX_ZOOMLEVEL);