Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmTileSource.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmTileSource.java	(revision 15002)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmTileSource.java	(revision 15039)
@@ -68,4 +68,8 @@
         }
 
+        public int getMaxZoom() {
+            return 17;
+        }
+
         public String getName() {
             return NAME;