Index: trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java	(revision 380)
+++ trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java	(revision 381)
@@ -224,4 +224,6 @@
 			for (final Iterator<Way> it = data.ways.iterator(); it.hasNext();)
 				cleanIterator(it, processedSet);
+			for (final Iterator<Relation> it = data.relations.iterator(); it.hasNext();)
+				cleanIterator(it, processedSet);
 		}