diff --git a/vtm-extras/src/org/oscim/tiling/source/mapnik/MapnikVectorTileSource.java b/vtm-extras/src/org/oscim/tiling/source/mapnik/MapnikVectorTileSource.java
index 0611e38b..abb551ad 100644
--- a/vtm-extras/src/org/oscim/tiling/source/mapnik/MapnikVectorTileSource.java
+++ b/vtm-extras/src/org/oscim/tiling/source/mapnik/MapnikVectorTileSource.java
@@ -30,10 +30,10 @@ public class MapnikVectorTileSource extends UrlTileSource {
 
 	@Override
 	public ITileDataSource getDataSource() {
-		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(mUrl));
+		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(getUrl()));
 	}
 
-	protected int formatTilePath(Tile tile, byte[] path, int pos) {
+	public int formatTilePath(Tile tile, byte[] path, int pos) {
 		// url formatter for mapbox streets
 		byte[] hexTable = {
 		        '0', '1', '2', '3',
diff --git a/vtm-extras/src/org/oscim/tiling/source/oscimap/OSciMap1TileSource.java b/vtm-extras/src/org/oscim/tiling/source/oscimap/OSciMap1TileSource.java
index d6934fa4..50ae2b26 100644
--- a/vtm-extras/src/org/oscim/tiling/source/oscimap/OSciMap1TileSource.java
+++ b/vtm-extras/src/org/oscim/tiling/source/oscimap/OSciMap1TileSource.java
@@ -35,6 +35,6 @@ public class OSciMap1TileSource extends UrlTileSource {
 
 	@Override
 	public ITileDataSource getDataSource() {
-		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(mUrl));
+		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(getUrl()));
 	}
 }
diff --git a/vtm-extras/src/org/oscim/tiling/source/oscimap2/OSciMap2TileSource.java b/vtm-extras/src/org/oscim/tiling/source/oscimap2/OSciMap2TileSource.java
index 6df01661..77f881e2 100644
--- a/vtm-extras/src/org/oscim/tiling/source/oscimap2/OSciMap2TileSource.java
+++ b/vtm-extras/src/org/oscim/tiling/source/oscimap2/OSciMap2TileSource.java
@@ -44,7 +44,7 @@ public class OSciMap2TileSource extends UrlTileSource {
 
 	@Override
 	public ITileDataSource getDataSource() {
-		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(mUrl));
+		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(getUrl()));
 	}
 
 	static class TileDecoder extends PbfDecoder {
diff --git a/vtm/src/org/oscim/tiling/source/UrlTileSource.java b/vtm/src/org/oscim/tiling/source/UrlTileSource.java
index ecf61dd9..89515d14 100644
--- a/vtm/src/org/oscim/tiling/source/UrlTileSource.java
+++ b/vtm/src/org/oscim/tiling/source/UrlTileSource.java
@@ -24,7 +24,7 @@ import org.oscim.tiling.TileSource;
 
 public abstract class UrlTileSource extends TileSource {
 
-	protected final URL mUrl;
+	private final URL mUrl;
 	private byte[] mExt;
 
 	public UrlTileSource(String urlString) {
@@ -83,7 +83,7 @@ public abstract class UrlTileSource extends TileSource {
 	 * @param pos current position
 	 * @return new position
 	 */
-	protected int formatTilePath(Tile tile, byte[] buf, int pos) {
+	public int formatTilePath(Tile tile, byte[] buf, int pos) {
 		String p = getTileUrl(tile);
 		if (p != null) {
 			byte[] b = p.getBytes();
@@ -103,4 +103,8 @@ public abstract class UrlTileSource extends TileSource {
 		System.arraycopy(mExt, 0, buf, pos, mExt.length);
 		return pos + mExt.length;
 	}
+
+	public URL getUrl() {
+		return mUrl;
+	}
 }
diff --git a/vtm/src/org/oscim/tiling/source/bitmap/BitmapTileSource.java b/vtm/src/org/oscim/tiling/source/bitmap/BitmapTileSource.java
index f5d65f61..86ffb540 100644
--- a/vtm/src/org/oscim/tiling/source/bitmap/BitmapTileSource.java
+++ b/vtm/src/org/oscim/tiling/source/bitmap/BitmapTileSource.java
@@ -32,7 +32,7 @@ public abstract class BitmapTileSource extends UrlTileSource {
 
 	@Override
 	public ITileDataSource getDataSource() {
-		return new UrlTileDataSource(this, new BitmapTileDecoder(), new LwHttp(mUrl));
+		return new UrlTileDataSource(this, new BitmapTileDecoder(), new LwHttp(getUrl()));
 	}
 
 	public class BitmapTileDecoder implements ITileDecoder {
diff --git a/vtm/src/org/oscim/tiling/source/oscimap4/OSciMap4TileSource.java b/vtm/src/org/oscim/tiling/source/oscimap4/OSciMap4TileSource.java
index 2cea4fb2..b5dbc5a8 100644
--- a/vtm/src/org/oscim/tiling/source/oscimap4/OSciMap4TileSource.java
+++ b/vtm/src/org/oscim/tiling/source/oscimap4/OSciMap4TileSource.java
@@ -34,6 +34,6 @@ public class OSciMap4TileSource extends UrlTileSource {
 
 	@Override
 	public ITileDataSource getDataSource() {
-		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(mUrl));
+		return new UrlTileDataSource(this, new TileDecoder(), new LwHttp(getUrl()));
 	}
 }