diff --git a/secure/simul_efun/simul_efun.c b/secure/simul_efun/simul_efun.c
index 54eea32..40d3673 100644
--- a/secure/simul_efun/simul_efun.c
+++ b/secure/simul_efun/simul_efun.c
@@ -53,8 +53,7 @@
 nomask string secure_euid();
 public nomask int process_call();
 nomask mixed __create_player_dummy(string name);
-varargs string replace_personal(string str, mixed *obs, int caps);
-
+varargs string replace_personal(string str, <string|object>* obs, int caps);
 
 //replacements for dropped efuns in LD
 #if !__EFUN_DEFINED__(extract)
diff --git a/secure/simul_efun/spare/simul_efun.c b/secure/simul_efun/spare/simul_efun.c
index 54eea32..40d3673 100644
--- a/secure/simul_efun/spare/simul_efun.c
+++ b/secure/simul_efun/spare/simul_efun.c
@@ -53,8 +53,7 @@
 nomask string secure_euid();
 public nomask int process_call();
 nomask mixed __create_player_dummy(string name);
-varargs string replace_personal(string str, mixed *obs, int caps);
-
+varargs string replace_personal(string str, <string|object>* obs, int caps);
 
 //replacements for dropped efuns in LD
 #if !__EFUN_DEFINED__(extract)