Index: /applications/editors/josm/plugins/slippymap/src/org/openstreetmap/josm/plugins/slippymap/SlippyMapPreferences.java
===================================================================
--- /applications/editors/josm/plugins/slippymap/src/org/openstreetmap/josm/plugins/slippymap/SlippyMapPreferences.java	(revision 5689)
+++ /applications/editors/josm/plugins/slippymap/src/org/openstreetmap/josm/plugins/slippymap/SlippyMapPreferences.java	(revision 5690)
@@ -25,5 +25,4 @@
             // url = "http://hypercube.telascience.org/tiles/1.0.0/coastline" //
             Main.pref.put(PREFERENCE_TILE_URL, url);
-            Main.pref.save();
         }