diff --git a/src/org/oscim/overlay/BuildingOverlay.java b/src/org/oscim/overlay/BuildingOverlay.java
new file mode 100644
index 00000000..bc59ff49
--- /dev/null
+++ b/src/org/oscim/overlay/BuildingOverlay.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2013 OpenScienceMap
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.overlay;
+
+import org.oscim.renderer.overlays.ExtrusionOverlay;
+import org.oscim.view.MapView;
+
+/**
+ * @author Hannes Janetzek
+ */
+public class BuildingOverlay extends Overlay {
+	public BuildingOverlay(MapView mapView) {
+		super();
+		mLayer = new ExtrusionOverlay(mapView);
+	}
+}
diff --git a/src/org/oscim/view/MapView.java b/src/org/oscim/view/MapView.java
index 31cac267..ef3f2176 100644
--- a/src/org/oscim/view/MapView.java
+++ b/src/org/oscim/view/MapView.java
@@ -38,14 +38,13 @@ import org.oscim.generator.JobQueue;
 import org.oscim.generator.JobTile;
 import org.oscim.generator.MapWorker;
 import org.oscim.generator.TileGenerator;
-import org.oscim.overlay.GenericOverlay;
+import org.oscim.overlay.BuildingOverlay;
 import org.oscim.overlay.LabelingOverlay;
 import org.oscim.overlay.Overlay;
 import org.oscim.overlay.OverlayManager;
 import org.oscim.renderer.GLRenderer;
 import org.oscim.renderer.GLView;
 import org.oscim.renderer.TileManager;
-import org.oscim.renderer.overlays.ExtrusionOverlay;
 import org.oscim.theme.ExternalRenderTheme;
 import org.oscim.theme.InternalRenderTheme;
 import org.oscim.theme.RenderTheme;
@@ -185,7 +184,7 @@ public class MapView extends RelativeLayout {
 		enableRotation = true;
 
 		//mOverlayManager.add(new GenericOverlay(this, new GridOverlay(this)));
-		mOverlayManager.add(new GenericOverlay(this, new ExtrusionOverlay(this)));
+		mOverlayManager.add(new BuildingOverlay(this));
 		mOverlayManager.add(new LabelingOverlay(this));
 
 		//		mOverlayManager.add(new GenericOverlay(this, new TestOverlay(this)));