Index: trunk/src/org/openstreetmap/josm/actions/downloadtasks/DownloadOsmTask.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/downloadtasks/DownloadOsmTask.java	(revision 1799)
+++ trunk/src/org/openstreetmap/josm/actions/downloadtasks/DownloadOsmTask.java	(revision 1800)
@@ -66,9 +66,9 @@
             }
             rememberDownloadedData(dataSet);
-            OsmDataLayer layer = new OsmDataLayer(dataSet, OsmDataLayer.createNewName(), null);
             if (newLayer) {
+                OsmDataLayer layer = new OsmDataLayer(dataSet, OsmDataLayer.createNewName(), null);
                 Main.main.addLayer(layer);
             } else {
-                Main.main.createOrGetEditLayer().mergeFrom(layer);
+                Main.main.createOrGetEditLayer().mergeFrom(dataSet);
             }