Index: /trunk/src/org/openstreetmap/josm/data/AutosaveTask.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/AutosaveTask.java	(revision 7579)
+++ /trunk/src/org/openstreetmap/josm/data/AutosaveTask.java	(revision 7580)
@@ -152,5 +152,5 @@
         Date now = new Date();
         while (true) {
-            String filename = String.format("%1$s_%2$tY%2$tm%2$td_%2$tH%2$tM%3$s", layer.layerFileName, now, index == 0?"":"_" + index);
+            String filename = String.format("%1$s_%2$tY%2$tm%2$td_%2$tH%2$tM%2$tS%2$tL%3$s", layer.layerFileName, now, index == 0?"":"_" + index);
             File result = new File(autosaveDir, filename+".osm");
             try {