Index: /trunk/src/org/openstreetmap/josm/gui/history/CoordinateInfoViewer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/history/CoordinateInfoViewer.java	(revision 11052)
+++ /trunk/src/org/openstreetmap/josm/gui/history/CoordinateInfoViewer.java	(revision 11053)
@@ -17,4 +17,5 @@
 import org.openstreetmap.gui.jmapviewer.JMapViewer;
 import org.openstreetmap.gui.jmapviewer.MapMarkerDot;
+import org.openstreetmap.gui.jmapviewer.tilesources.OsmTileSource;
 import org.openstreetmap.josm.data.coor.CoordinateFormat;
 import org.openstreetmap.josm.data.coor.LatLon;
@@ -335,4 +336,5 @@
         MapViewer(HistoryBrowserModel model) {
             this.updater = new Updater(model, PointInTimeType.REFERENCE_POINT_IN_TIME);
+            setTileSource(new OsmTileSource.Mapnik()); // for attribution
             setBorder(BorderFactory.createLineBorder(Color.DARK_GRAY));
         }