Index: /trunk/src/org/openstreetmap/josm/gui/dialogs/relation/actions/RefreshAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/dialogs/relation/actions/RefreshAction.java	(revision 17443)
+++ /trunk/src/org/openstreetmap/josm/gui/dialogs/relation/actions/RefreshAction.java	(revision 17444)
@@ -75,5 +75,5 @@
             // relation was changed outside of the editor
             // either it was modified or deleted or changed by an undo
-            setEnabled(!snapshot.hasEqualSemanticAttributes(relation));
+            setEnabled(!snapshot.hasEqualSemanticAttributes(relation, false /* don't ignore uninteresting keys */));
             return;
         }