Index: trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageViewerDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageViewerDialog.java	(revision 18938)
+++ trunk/src/org/openstreetmap/josm/gui/layer/geoimage/ImageViewerDialog.java	(revision 18939)
@@ -431,5 +431,5 @@
 
     private boolean isDestroyed() {
-        return dialogsPanel == null;
+        return this.titleBar == null;
     }