Index: trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageEntry.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageEntry.java	(revision 14624)
+++ trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageEntry.java	(revision 14625)
@@ -21,4 +21,14 @@
      */
     public ImageEntry() {
+    }
+
+    /**
+     * Constructs a new {@code ImageEntry} from an existing instance.
+     * @param other existing instance
+     * @since 14625
+     */
+    public ImageEntry(ImageEntry other) {
+        super(other);
+        thumbnail = other.thumbnail;
     }