Index: trunk/src/org/openstreetmap/josm/data/projection/Projections.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/projection/Projections.java	(revision 9577)
+++ trunk/src/org/openstreetmap/josm/data/projection/Projections.java	(revision 9578)
@@ -122,5 +122,5 @@
         datums.put("carthage", new ThreeParameterDatum(
                 "Carthage 1934 Tunisia", "carthage",
-                Ellipsoid.Clarke1880, -263.0, 6.0, 431.0));
+                Ellipsoid.ClarkeIGN, -263.0, 6.0, 431.0));
         datums.put("GGRS87", new ThreeParameterDatum(
                 "Greek Geodetic Reference System 1987", "GGRS87",