Index: trunk/src/org/openstreetmap/josm/gui/dialogs/relation/RelationDialogManager.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/relation/RelationDialogManager.java	(revision 2991)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/relation/RelationDialogManager.java	(revision 2992)
@@ -215,5 +215,5 @@
         DialogContext context = null;
         for (DialogContext c : openDialogs.keySet()) {
-            if (openDialogs.get(c).equals(editor)) {
+            if (editor.equals(openDialogs.get(c))) {
                 context = c;
                 break;