diff --git a/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/UrlTileDataSource.java b/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/UrlTileDataSource.java
index 301fadea..9c578a51 100644
--- a/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/UrlTileDataSource.java
+++ b/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/UrlTileDataSource.java
@@ -64,6 +64,12 @@ public class UrlTileDataSource implements ITileDataSource {
 
 			@Override
 			public void continueLoading() {
+				if (!mTile.state(MapTile.State.LOADING)) {
+					mConn.requestCompleted();
+					mSink.completed(FAILED);
+					mTile = null;
+					mSink = null;
+				}
 				boolean win = false;
 				if (is != null) {
 					try {
diff --git a/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/bitmap/BitmapTileSource.java b/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/bitmap/BitmapTileSource.java
index 77310e0f..23fab37e 100644
--- a/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/bitmap/BitmapTileSource.java
+++ b/vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/tiling/source/bitmap/BitmapTileSource.java
@@ -80,8 +80,13 @@ public abstract class BitmapTileSource extends UrlTileSource {
 
 						@Override
 						public void continueLoading() {
-							sink.setTileImage(new GwtBitmap(img));
-							sink.completed(SUCCESS);
+							if (!tile.state(MapTile.State.LOADING)) {
+								sink.completed(FAILED);
+								RootPanel.get().remove(img);
+							} else {
+								sink.setTileImage(new GwtBitmap(img));
+								sink.completed(SUCCESS);
+							}
 						}
 					});
 				}