Index: trunk/src/org/openstreetmap/josm/gui/MapStatus.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/MapStatus.java	(revision 16985)
+++ trunk/src/org/openstreetmap/josm/gui/MapStatus.java	(revision 16986)
@@ -835,5 +835,5 @@
                     Component invoker = ((JPopupMenu) e.getSource()).getInvoker();
                     jumpButton.setVisible(latText.equals(invoker) || lonText.equals(invoker));
-                    String currentSOM = SystemOfMeasurement.PROP_SYSTEM_OF_MEASUREMENT.get();
+                    String currentSOM = SystemOfMeasurement.getSystemOfMeasurement().toString();
                     for (JMenuItem item : somItems) {
                         item.setSelected(item.getText().equals(currentSOM));