diff --git a/lib/auth/sia/krb4_matrix.conf b/lib/auth/sia/krb4_matrix.conf
index d19d24f76..db71c949a 100644
--- a/lib/auth/sia/krb4_matrix.conf
+++ b/lib/auth/sia/krb4_matrix.conf
@@ -1,3 +1,39 @@
+# Copyright (c) 1998 Kungliga Tekniska Högskolan
+# (Royal Institute of Technology, Stockholm, Sweden). 
+# All rights reserved. 
+#
+# Redistribution and use in source and binary forms, with or without 
+# modification, are permitted provided that the following conditions 
+# are met: 
+#
+# 1. Redistributions of source code must retain the above copyright 
+#    notice, this list of conditions and the following disclaimer. 
+#
+# 2. Redistributions in binary form must reproduce the above copyright 
+#    notice, this list of conditions and the following disclaimer in the 
+#    documentation and/or other materials provided with the distribution. 
+#
+# 3. All advertising materials mentioning features or use of this software 
+#    must display the following acknowledgement: 
+#      This product includes software developed by Kungliga Tekniska 
+#      Högskolan and its contributors. 
+#
+# 4. Neither the name of the Institute nor the names of its contributors 
+#    may be used to endorse or promote products derived from this software 
+#    without specific prior written permission. 
+#
+# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+# SUCH DAMAGE. 
+
 # $Id$
 
 # sia matrix configuration file (Kerberos 4 + BSD)
@@ -11,7 +47,7 @@ siad_ses_launch=(KRB4,/usr/athena/lib/libsia_krb4.so)(BSD,libc.so)
 siad_ses_suauthent=(KRB4,/usr/athena/lib/libsia_krb4.so)(BSD,libc.so)
 siad_ses_reauthent=(BSD,libc.so)
 siad_chg_finger=(BSD,libc.so)
-siad_chg_password=(BSD,libc.so)
+siad_chg_password=(KRB4,/usr/athena/lib/libsia_krb4.so)(BSD,libc.so)
 siad_chg_shell=(BSD,libc.so)
 siad_getpwent=(BSD,libc.so)
 siad_getpwuid=(BSD,libc.so)
@@ -24,5 +60,5 @@ siad_getgrnam=(BSD,libc.so)
 siad_setgrent=(BSD,libc.so)
 siad_endgrent=(BSD,libc.so)
 siad_ses_release=(KRB4,/usr/athena/lib/libsia_krb4.so)(BSD,libc.so)
-siad_chk_user=(BSD,libc.so)
+siad_chk_user=(KRB4,/usr/athena/lib/libsia_krb4.so)(BSD,libc.so)