1 files changed, 6 insertions, 1 deletions
diff --git a/main/src/cgeo/geocaching/maps/google/GoogleCacheOverlay.java b/main/src/cgeo/geocaching/maps/google/GoogleCacheOverlay.java
index 21d78a0..3339650 100644
--- a/main/src/cgeo/geocaching/maps/google/GoogleCacheOverlay.java
+++ b/main/src/cgeo/geocaching/maps/google/GoogleCacheOverlay.java
@@ -63,7 +63,12 @@ public class GoogleCacheOverlay extends ItemizedOverlay<GoogleCacheOverlayItem>
 
     @Override
     public void draw(Canvas canvas, MapView mapView, boolean shadow) {
-        base.draw(canvas, (MapViewImpl) mapView, shadow);
+        base.draw(canvas, castMapViewImpl(mapView), shadow);
+    }
+
+    private static MapViewImpl castMapViewImpl(MapView mapView) {
+        assert mapView instanceof MapViewImpl;
+        return (MapViewImpl) mapView;
     }
 
     @Override