Index: trunk/src/org/openstreetmap/josm/io/OsmApi.java
===================================================================
--- trunk/src/org/openstreetmap/josm/io/OsmApi.java	(revision 6839)
+++ trunk/src/org/openstreetmap/josm/io/OsmApi.java	(revision 6840)
@@ -330,5 +330,5 @@
         // this works around a ruby (or lighttpd) bug where two consecutive slashes in
         // an URL will cause a "404 not found" response.
-        int p; while ((p = rv.indexOf("//", 6)) > -1) { rv.delete(p, p + 1); }
+        int p; while ((p = rv.indexOf("//", rv.indexOf("://")+2)) > -1) { rv.delete(p, p + 1); }
         return rv.toString();
     }