diff --git a/src/server/conference.c b/src/server/conference.c
index db94e226f644ce9c6b4179246337e5a350c0dbf9..176b53a29201aae94d0b9190a02668cf322fc140 100644
--- a/src/server/conference.c
+++ b/src/server/conference.c
@@ -1,5 +1,5 @@
 /*
- * $Id: conference.c,v 0.59 1999/07/24 23:33:15 ceder Exp $
+ * $Id: conference.c,v 0.60 2000/09/02 19:49:13 ceder Exp $
  * Copyright (C) 1991-1999  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -35,7 +35,7 @@
 
 
 static const char *
-rcsid = "$Id: conference.c,v 0.59 1999/07/24 23:33:15 ceder Exp $";
+rcsid = "$Id: conference.c,v 0.60 2000/09/02 19:49:13 ceder Exp $";
 #include "rcs.h"
 USE(rcsid);
 
@@ -331,7 +331,7 @@ do_create_conf(String	 name,
 Bool
 is_supervisor(Conf_no conf,
               Pers_no viewer,
-              Person *viewer_p)
+              const Person *viewer_p)
 {
     if (viewer == conf)	/* A person is ALWAYS supervisor to	*/
         return TRUE;		/* his/her own mailbox!		*/
@@ -341,9 +341,9 @@ is_supervisor(Conf_no conf,
 
 
 Bool
-is_strictly_supervisor(Conf_no      conf,
-                       Pers_no      viewer,
-                       Person     * viewer_p) /* May be NULL */
+is_strictly_supervisor(Conf_no       conf,
+                       Pers_no       viewer,
+                       const Person *viewer_p) /* May be NULL */
 {
     Conf_no supervisor;