Index: trunk/src/org/openstreetmap/josm/gui/dialogs/properties/TagEditHelper.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/properties/TagEditHelper.java	(revision 15943)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/properties/TagEditHelper.java	(revision 15946)
@@ -71,5 +71,7 @@
 import org.openstreetmap.josm.command.SequenceCommand;
 import org.openstreetmap.josm.data.UndoRedoHandler;
+import org.openstreetmap.josm.data.coor.LatLon;
 import org.openstreetmap.josm.data.osm.DataSet;
+import org.openstreetmap.josm.data.osm.INode;
 import org.openstreetmap.josm.data.osm.OsmDataManager;
 import org.openstreetmap.josm.data.osm.OsmPrimitive;
@@ -693,4 +695,7 @@
             final OsmPrimitive virtual = (osmPrimitiveIterator.hasNext() ? osmPrimitiveIterator.next().getType() : OsmPrimitiveType.NODE)
                     .newInstance(0, false);
+            if (virtual instanceof INode) {
+                ((INode) virtual).setCoor(LatLon.ZERO);
+            }
             virtual.put(key, value);
             final ImageIcon padded = ImageProvider.getPadded(virtual, ImageProvider.ImageSizes.LARGEICON.getImageDimension(),