Index: trunk/src/org/openstreetmap/josm/data/Preferences.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/Preferences.java	(revision 1024)
+++ trunk/src/org/openstreetmap/josm/data/Preferences.java	(revision 1025)
@@ -315,5 +315,5 @@
 		PrintWriter out = new PrintWriter(new FileWriter(bookmarkFile));
 		for (Bookmark b : bookmarks) {
-			b.name.replace(',', '_');
+			b.name = b.name.replace(',', '_');
 			out.print(b.name+",");
 			for (int i = 0; i < b.latlon.length; ++i)