Index: /trunk/src/org/openstreetmap/josm/actions/SessionSaveAsAction.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/actions/SessionSaveAsAction.java	(revision 6148)
+++ /trunk/src/org/openstreetmap/josm/actions/SessionSaveAsAction.java	(revision 6149)
@@ -225,3 +225,8 @@
     }
 
+    @Override
+    protected void updateEnabledState() {
+        setEnabled(Main.isDisplayingMapView());
+    }
+
 }