Index: /trunk/src/org/openstreetmap/josm/gui/layer/ImageryLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/ImageryLayer.java	(revision 8732)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/ImageryLayer.java	(revision 8733)
@@ -295,5 +295,5 @@
         public BufferedImage process(BufferedImage image) {
             final LookupOp op = getOp(image.getRaster().getNumBands());
-            final BufferedImage to = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
+            final BufferedImage to = new BufferedImage(image.getWidth(), image.getHeight(), image.getType());
             return op == null ? image : op.filter(image, to);
         }