--- a/java/sql-dk/src/info/globalcode/sql/dk/CLIOptions.java	Sun May 24 18:45:46 2015 +0200
+++ b/java/sql-dk/src/info/globalcode/sql/dk/CLIOptions.java	Sun May 24 19:10:25 2015 +0200
@@ -45,14 +45,14 @@
 	public static final String DEFAULT_NAME_SUFFIX = "(?=([^\\w]|$))";
 	private String sql;
 	private String databaseName;
-	private Set<String> databaseNamesToTest = new LinkedHashSet<>();
-	private Set<String> databaseNamesToListProperties = new LinkedHashSet<>();
+	private final Set<String> databaseNamesToTest = new LinkedHashSet<>();
+	private final Set<String> databaseNamesToListProperties = new LinkedHashSet<>();
 	private String namePrefix = DEFAULT_NAME_PREFIX;
 	private String nameSuffix = DEFAULT_NAME_SUFFIX;
 	private String formatterName;
 	private boolean batch;
-	private Properties formatterProperties = new Properties();
-	private Properties databaseProperties = new Properties();
+	private final Properties formatterProperties = new Properties();
+	private final Properties databaseProperties = new Properties();
 
 	public enum MODE {