Index: trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageEntry.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageEntry.java	(revision 17579)
+++ trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageEntry.java	(revision 17580)
@@ -106,5 +106,5 @@
     @Override
     public int hashCode() {
-        return Objects.hash(super.hashCode(), thumbnail);
+        return Objects.hash(super.hashCode(), thumbnail, dataSet);
     }