Index: trunk/src/org/openstreetmap/josm/gui/layer/TMSLayer.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/TMSLayer.java	(revision 9896)
+++ trunk/src/org/openstreetmap/josm/gui/layer/TMSLayer.java	(revision 9897)
@@ -57,5 +57,5 @@
         super(info);
         Collection<Double> scales = new ArrayList<>(info.getMaxZoom());
-        for (int zoom = info.getMinZoom(); zoom <= info.getMaxZoom(); zoom++) {
+        for (int zoom = AbstractTileSourceLayer.MIN_ZOOM; zoom <= AbstractTileSourceLayer.MAX_ZOOM; zoom++) {
             double scale = OsmMercator.EARTH_RADIUS * Math.PI * 2 / Math.pow(2, zoom) / OsmMercator.DEFAUL_TILE_SIZE;
             scales.add(scale);