Index: /trunk/src/org/openstreetmap/josm/gui/layer/MainLayerManager.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/MainLayerManager.java	(revision 18009)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/MainLayerManager.java	(revision 18010)
@@ -300,5 +300,5 @@
         }
 
-        if (!MainApplication.worker.isShutdown() && (layer == activeLayer || layer == osmDataLayer)) {
+        if (layer == activeLayer || layer == osmDataLayer) {
             Layer nextActive = suggestNextActiveLayer(layer);
             setActiveLayer(nextActive, true);