Index: trunk/src/org/openstreetmap/josm/actions/RestorePropertyAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/RestorePropertyAction.java	(revision 17033)
+++ trunk/src/org/openstreetmap/josm/actions/RestorePropertyAction.java	(revision 17034)
@@ -17,4 +17,5 @@
 import org.openstreetmap.josm.data.osm.OsmPrimitive;
 import org.openstreetmap.josm.gui.util.TableHelper;
+import org.openstreetmap.josm.tools.ImageProvider;
 
 /**
@@ -45,4 +46,5 @@
         this.objectSp = objectSp;
         this.selectionModel = selectionModel;
+        new ImageProvider("undo").getResource().attachImageIcon(this, true);
     }
 
Index: trunk/src/org/openstreetmap/josm/gui/dialogs/relation/actions/CancelAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/relation/actions/CancelAction.java	(revision 17033)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/relation/actions/CancelAction.java	(revision 17034)
@@ -70,5 +70,5 @@
                 new ButtonSpec(
                         tr("No, discard the changes and close"),
-                        new ImageProvider("cancel"),
+                        new ImageProvider("undo"),
                         tr("Click to discard the changes and close this relation editor"),
                         null /* no specific help topic */