Index: src/org/openstreetmap/josm/actions/SaveActionBase.java
===================================================================
--- src/org/openstreetmap/josm/actions/SaveActionBase.java	(revision 4462)
+++ src/org/openstreetmap/josm/actions/SaveActionBase.java	(working copy)
@@ -75,6 +75,7 @@
                 if (exporter.acceptFile(file, layer)) {
                     exporter.exportData(file, layer);
                     exported = true;
+                    break;
                 }
             }
             if (!exported) {