Index: applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillaryLayer.java
===================================================================
--- applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillaryLayer.java	(revision 32980)
+++ applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/MapillaryLayer.java	(revision 32981)
@@ -51,4 +51,5 @@
 import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
 import org.openstreetmap.josm.plugins.mapillary.cache.CacheUtils;
+import org.openstreetmap.josm.plugins.mapillary.gui.MapillaryChangesetDialog;
 import org.openstreetmap.josm.plugins.mapillary.gui.MapillaryFilterDialog;
 import org.openstreetmap.josm.plugins.mapillary.gui.MapillaryMainDialog;
@@ -140,4 +141,6 @@
       MapillaryData.dataUpdated();
     }
+
+    getLocationChangeset().addChangesetListener(MapillaryChangesetDialog.getInstance());
   }
 
Index: applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/gui/MapillaryChangesetDialog.java
===================================================================
--- applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/gui/MapillaryChangesetDialog.java	(revision 32980)
+++ applications/editors/josm/plugins/mapillary/src/org/openstreetmap/josm/plugins/mapillary/gui/MapillaryChangesetDialog.java	(revision 32981)
@@ -78,5 +78,4 @@
     );
 
-    MapillaryLayer.getInstance().getLocationChangeset().addChangesetListener(this);
     this.map = new ConcurrentHashMap<>();
 
@@ -98,5 +97,4 @@
 
     createLayout(treesPanel, true, Collections.singletonList(this.submitButton));
-    buildTree();
   }