Index: trunk/src/org/openstreetmap/josm/data/projection/UTM.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/projection/UTM.java	(revision 5230)
+++ trunk/src/org/openstreetmap/josm/data/projection/UTM.java	(revision 5232)
@@ -19,5 +19,5 @@
 import org.openstreetmap.josm.data.Bounds;
 import org.openstreetmap.josm.data.coor.LatLon;
-import org.openstreetmap.josm.data.projection.datum.GRS80Datum;
+import org.openstreetmap.josm.data.projection.datum.WGS84Datum;
 import org.openstreetmap.josm.data.projection.proj.ProjParameters;
 import org.openstreetmap.josm.tools.GBC;
@@ -48,5 +48,5 @@
 
     public UTM(int zone, Hemisphere hemisphere, boolean offset) {
-        ellps = Ellipsoid.GRS80;
+        ellps = Ellipsoid.WGS84;
         proj = new org.openstreetmap.josm.data.projection.proj.TransverseMercator();
         try {
@@ -55,5 +55,5 @@
             throw new RuntimeException(e);
         }
-        datum = GRS80Datum.INSTANCE;
+        datum = WGS84Datum.INSTANCE;
         updateParameters(zone, hemisphere, offset);
     }