Index: trunk/src/org/openstreetmap/josm/gui/dialogs/relation/sort/RelationSorter.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/relation/sort/RelationSorter.java	(revision 8257)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/relation/sort/RelationSorter.java	(revision 8258)
@@ -88,5 +88,5 @@
         @Override
         public boolean acceptsMember(RelationMember m) {
-            return "platform".equals(m.getRole()) || "stop".equals(m.getRole());
+            return m.getRole() != null && m.getRole().startsWith("platform") || m.getRole().startsWith("stop");
         }