Index: trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java	(revision 6317)
+++ trunk/src/org/openstreetmap/josm/gui/layer/geoimage/CorrelateGpxWithImages.java	(revision 6318)
@@ -302,5 +302,5 @@
             Collections.sort(vtTimezones);
 
-            cbTimezones = new JosmComboBox(vtTimezones);
+            cbTimezones = new JosmComboBox(vtTimezones.toArray());
 
             String tzId = Main.pref.get("geoimage.timezoneid", "");
@@ -476,5 +476,5 @@
         panelCb.add(new JLabel(tr("GPX track: ")));
 
-        cbGpx = new JosmComboBox(gpxLst);
+        cbGpx = new JosmComboBox(gpxLst.toArray());
         if (defaultItem != null) {
             cbGpx.setSelectedItem(defaultItem);