Index: /trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java	(revision 619)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java	(revision 620)
@@ -150,5 +150,5 @@
 			// of drawing the outline, the outlying areas should perhaps be shaded.
 			for (DataSource src : data.dataSources) {
-				if (src.bounds != null) {
+				if (src.bounds != null && !src.bounds.min.equals(src.bounds.max)) {
 					EastNorth en1 = Main.proj.latlon2eastNorth(src.bounds.min);
 					EastNorth en2 = Main.proj.latlon2eastNorth(src.bounds.max);