diff --git a/secure/simul_efun/simul_efun.c b/secure/simul_efun/simul_efun.c
index 55c0480..d9c2a54 100644
--- a/secure/simul_efun/simul_efun.c
+++ b/secure/simul_efun/simul_efun.c
@@ -44,10 +44,10 @@
  */
 string dtime(int wann);
 varargs int log_file(string file, string txt, int size_to_break);
-int query_wiz_level(mixed player);
+int query_wiz_level(object|string player);
 nomask varargs int snoop(object snooper, object snoopee);
 varargs string country(mixed ip, string num);
-int query_wiz_grp(mixed wiz);
+int query_wiz_grp(object|string wiz);
 public varargs object deep_present(mixed what, object ob);
 nomask int secure_level();
 nomask string secure_euid();