Index: /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java	(revision 17011)
+++ /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java	(revision 17012)
@@ -849,4 +849,5 @@
         int drawX = -img.getWidth() / 2 + img.offsetX;
         int drawY = -img.getHeight() / 2 + img.offsetY;
+        temporaryGraphics.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
         temporaryGraphics.drawImage(img.getImage(disabled), drawX, drawY, nc);
         if (selected || member) {