Index: trunk/src/org/openstreetmap/josm/data/osm/Node.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/osm/Node.java	(revision 5916)
+++ trunk/src/org/openstreetmap/josm/data/osm/Node.java	(revision 5919)
@@ -113,6 +113,6 @@
             this.lon = Double.NaN;
             invalidateEastNorthCache();
-            setIncomplete(true);
-        }
+        }
+        setIncomplete(isVisible() && !isLatLonKnown());
     }