Index: /trunk/src/org/openstreetmap/josm/tools/OverpassTurboQueryWizard.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/tools/OverpassTurboQueryWizard.java	(revision 10643)
+++ /trunk/src/org/openstreetmap/josm/tools/OverpassTurboQueryWizard.java	(revision 10644)
@@ -69,5 +69,7 @@
             }
             String query = (String) result;
-            query = query.replace("[bbox:{{bbox}}]", "");
+            if (query != null) {
+                query = query.replace("[bbox:{{bbox}}]", "");
+            }
             return query;
         } catch (NoSuchMethodException e) {