--- a/src/luan/modules/lucene/LuceneIndex.java	Fri Oct 25 22:12:06 2019 -0600
+++ b/src/luan/modules/lucene/LuceneIndex.java	Sat Oct 26 22:21:09 2019 -0600
@@ -143,14 +143,14 @@
 	private LuceneIndex(Luan luan,File indexDir,LuanTable options)
 		throws LuanException, IOException, ClassNotFoundException, SQLException
 	{
-		Map map = options.asMap();
-		this.version = map.remove("version");
-		FieldParser defaultFieldParser = (FieldParser)map.remove("default_type");
-		LuanTable defaultFieldsTbl = Utils.removeTable(map,"default_fields");
+		options = new LuanTable(options);
+		this.version = options.remove("version");
+		FieldParser defaultFieldParser = (FieldParser)options.remove("default_type");
+		LuanTable defaultFieldsTbl = Utils.removeTable(options,"default_fields");
 		String[] defaultFields = defaultFieldsTbl==null ? null : (String[])defaultFieldsTbl.asList().toArray(new String[0]);
-		LuanFunction completer = Utils.removeFunction(map,"completer");
-		LuanTable postgresSpec = Utils.removeTable(map,"postgres_spec");
-		Utils.checkEmpty(map);
+		LuanFunction completer = Utils.removeFunction(options,"completer");
+		LuanTable postgresSpec = Utils.removeTable(options,"postgres_spec");
+		Utils.checkEmpty(options);
 
 		this.luanLogger = luan.getLogger(LuceneIndex.class);
 		this.defaultFieldParser = defaultFieldParser;
@@ -171,8 +171,7 @@
 		} else {
 			if( completer == null )
 				throw new LuanException("completer is required for postgres_spec");
-			Map spec = postgresSpec.asMap();
-			postgresBackup = new PostgresBackup(luan,spec);
+			postgresBackup = new PostgresBackup(luan,postgresSpec);
 			if( !wasCreated && postgresBackup.wasCreated ) {
 				luanLogger.error("rebuilding postgres backup");
 				rebuild_postgres_backup(completer);