Index: trunk/src/org/openstreetmap/josm/io/OsmReader.java
===================================================================
--- trunk/src/org/openstreetmap/josm/io/OsmReader.java	(revision 518)
+++ trunk/src/org/openstreetmap/josm/io/OsmReader.java	(revision 521)
@@ -133,7 +133,8 @@
 					String bbox = atts.getValue("box");
 					String origin = atts.getValue("origin");
+					if (origin == null) origin = "";
 					if (bbox != null) {
 						String[] b = bbox.split(",");
-						Bounds bounds = null;
+						Bounds bounds = new Bounds();
 						if (b.length == 4)
 							bounds = new Bounds(