--- a/src/luan/Luan.java	Fri May 26 10:29:55 2023 -0600
+++ b/src/luan/Luan.java	Tue Jun 06 14:33:24 2023 -0600
@@ -451,7 +451,7 @@
 		public void check(Luan luan,LuanClosure closure,String op,Object... args) throws LuanException;
 	}
 
-	private static String SECURITY_KEY = "Luan.Security";
+	private static final String SECURITY_KEY = "Luan.Security";
 
 	public static void checkSecurity(Luan luan,String op,Object... args) throws LuanException {
 		check(luan,1,op,args);