Index: trunk/src/org/openstreetmap/josm/data/osm/FilterMatcher.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/osm/FilterMatcher.java	(revision 3399)
+++ trunk/src/org/openstreetmap/josm/data/osm/FilterMatcher.java	(revision 3401)
@@ -101,4 +101,8 @@
 
     private boolean test(List<FilterInfo> filters, OsmPrimitive primitive, boolean hidden) {
+
+        if (primitive.isIncomplete())
+            return false;
+
         boolean selected = false;
         boolean onlyInvertedFilters = true;